Best Packagingsuppliesbymail Envelopes And Mailing in 2026

QUICK SELF-SEAL DESIGN: Licking envelopes is a thing of the past. The convenient self-seal design seals the envelopes quickly and effortlessly-no glue, tape, or wax required! Ultra-strong adhesive will keep the envelope closed and its contents protected.

PRINTER FRIENDLY: Why pay for expensive custom envelopes when you can make them yourself? The Ohuhu A7 Self Seal Envelopes are compatible with laser and inkjet printers, as well as offset and digital printing presses! Just choose your design, insert the envelope, and let the printer do the work.

HOME USE, OFFICE USE, AND MORE: Whether you're a busy parent or a small business owner, mailing us unavoidable. Versatile envelopes are a must! At 5-1/4" x 7-1/4", the Ohuhu A7 Self Seal Envelopes are ideal for sending letters, paperwork, 5x7 cards, 5x7 photos, invitations, and everything in between.

Size: A7 size white environmental protection envelope, made of 5 1/4" x 7 1/4" standard A7 size, with a square seal in the form of a glue booklet, made of high-quality paper, thick and durable, with excellent sealing performance. Your privacy will be well protected.

Design: This 5x7 envelope is very suitable for 5x7 cards/photos. These envelopes are also very suitable for direct mail, letters, postcards, weddings, birthdays, baby showers, graduations, holidays, handmade cards, business, and various party invitation cards. So you can rely on them to meet all your special mailing needs.

Sealing: This is a huge time-saving envelope, each envelope comes with a separate tape, just tear off the protective strip, press, and seal it. Easy to seal peeling and sealing and closing operations, this type of adhesive is ideal for commercial applications, wedding announcements, and mailing.

💌 Color: Sage Green Envelopes, 120gsm good quality paper.

💌 Size: 5.3 x 7.4'' about 135 mm x 195 mm. (Fit for 5x7'' invitation cards, and fit for each invitations kits in our store )

💌 Package included: 50 pieces Sage Green luxury envelopes + 50 Gold Seals. (Envelopes can be sealed by the moistenable glue strip on the back flap)

High Quality Craft Envelopes: Dimension of Eupako A4 envelopes self seal is 4.25 x 6.25 inches with a smooth touching and elegant looking, perfect for stuffing with 4x6 cards, invitations, photos, announcements, thank you note, save the dates and RSVP.

Set of 100: Package includes 100 pack 4x6 envelopes for invitations, meeting the need of daily life and office use. 4 x 6 envelopes are ideal for any occasion - wedding, graduation, birthday, party, holiday, baby shower, business and more.

Self-sealing Flap: The white envelopes 4x6 is easy to use. Just peeling off the strip and sealing the flap to get an effortless mailing, no need to lick or moisten. Also, the adhesion of flap on envelopes for 4x6 cards is quite strong, secure and lasting, keeping contents from falling out when transiting.

Quantity: 200 Pcs Brown Kraft A7 Invitation Envelopes Come in A Nice White Cardstock Storage Box. A7 Envelopes are Square flap style, Laser and inkjet compatible, matte finishes. A7 Invitation Envelopes are easily sealed by Peel & Press strip located on the inside of the back flap. A7 Envelopes are commonly called 5x7 Envelopes because they are the best envelope for 5 x 7 cards. This size invitation envelope also fits smaller A Sizes inside (A1, A2, A4, A6) as part of an invitation suite.

Color: The Blank A7 Square Flap Envelopes are in light brown, a classic color that can go well with any theme and can be used for all kinds of occasions. From rustic wedding, baby shower invitations to special holiday greetings, from simple and classy letters, to promotional mail for your business, these Kraft Envelopes can do it all!

Dimensions: A7 invitation Envelopes business envelopes measure 5.25" in length and 7.25" in width. The A7 envelope size is Perfect for holding 5x7 cards, 5x7 photos, invitations, announcements, letters, thank you cards, greeting cards, holiday cards, postcards, business cards, rsvps, christmas cards, Save the Dates or anything else you fancy. also great for Mailing, sending personal mail, direct mail . The A7 envelopes can fit inside envelope sizes of A8, A9, A10.

✉️【EASY TO PEEL & SEAL】: Say goodbye to lick the envelopes. Our 5x7 white envelopes are ultra strong adhesive designs that can keep the envelope closed to arrive safely to destination. The peel &stick seal feature makes the envelope seal quickly and effortlessly - without extra moisteners, waxes.

✉️【HEAVYWEIGHT 5x7 ENVELOPES】: 120 GSM/32lb BOND/80lb TEXT. The 5x7 envelopes are crafted with premium thick cardstock. It has good weight and nice texture, you can write with calligraphy pen or ink on it. No matter mailing dark-colored or bright-colored cards, our white heavyweight envelopes are safe enough to protect privacy contents.

✉️【STANDARD A7 WHITE ENVELOPES】: Our A7 greeting card envelopes measure 5 ¼ in x 7 ¼ in / 5-1 / 4" x 7-1 / 4" / 5.25" x 7.25" / 133.35mm x 184.15mm. Impeccable size makes them perfectly fit 5x7 cards, pictures, wedding invitations, baby shower, RSVP cards, Christmas cards and 4x6 invitation cards.

Card Envelopes 4x6: Use this bulk pack of colorful envelopes for a themed event and use stamps, paint, glitter, stickers, markers, or ribbon to customize them to match any occasion

Multi-Purpose: The cute A6 envelopes are ideal for mailing photos, thank you notes, holiday cards, greeting cards, invitations, graduation gift cards, and letters

Reliable Quality: Our square envelopes are made from high-quality 120gsm thick brightly colored paper that won’t easily rip or tear in transit; the envelopes feature a self adhesive tape for easy sealing

💌 Color: Pearl White Liner+ Dusty Blue Envelopes, 80lb paper with shinny. (IMPORTANT NOTICE: Due to the light and the reasons for the phone and the computer monitor, the color will lighter or darker than the real color)

💌 Size: 5.35 x 7.7'' , 135 mm x 196 mm.(Fit for 5x7 inches invitation cards, and fit for each invitations pocket in our store )

💌 Package included: 50 pieces Dusty Blue luxury envelopes + 50 Gold Seals.

Size: A7 size colorful envelope, made of 5 1/4" x 7 1/4" standard A7 size, with a square seal in the form of a glue booklet, made of high-quality paper, thick and durable, with excellent sealing performance. Your privacy will be well protected.

Design: This 5x7 colorful envelope is very suitable for 5x7 cards/photos. (Pink, light green, light blue, light purple, bright red, lake blue, yellow, orange, dark purple, green) These colorful envelopes are also very suitable for direct mail, letters, postcards, weddings, birthdays, baby showers, graduations.

Sealing: This is a huge time-saving card envelope, each envelope comes with a separate tape, just tear off the protective strip, press, and seal it. Easy to seal peeling and sealing and closing operations, this type of adhesive is ideal for commercial applications, wedding announcements, and mailing.

THICK and DURABLE ENVELOPES - made from the most popular business letterhead or stationery weight of 24lb bond / 60lb text paper that greatly holds mailing documents; Gummed Booklet Style Square Flap that provides extra security for document's safe-keeping

STANDARD A2 SIZED ENVELOPES - 4 3/8” x 5 3/4” inches that fit any 4.25 x 5.5 letters, postcards, greeting cards, photos, announcements, social and invitation purposes and more; ideal large reply envelope size that fits inside A7, A8, A9 and A10 sizes envelopes

PERFECT FOR BUSINESS OR PERSONAL USE - great for enclosing your Save the Dates, DIY Invitations, Thank you cards, Graduation announcements, Do-It-Your-self Greeting Cards, and business correspondence; it can be hand addressed or professionally printed

1. Convenient self-sealing closure: self-seal envelopes have a self-adhesive seal that simply peels off to form a complete, secure seal across the width of each envelope, more convenient than ordinary wet and sealed envelopes, saving your time.

2. Secure coloring: Mailing envelopes are securely colored and have a windowless design. Secure coloring makes the envelope difficult to see through, protecting the contents and sensitive information, perfect for protecting sensitive information.

3. Long-time storage: These envelopes can be used for a long time due to the peelable strips that protect the adhesive from dust. You can prepare some mailing envelopes in your office, school, home, etc. to ensure you use them when you need them.

Size: A7 size white environmental protection envelope, made of 5 1/4" x 7 1/4" standard A7 size, with a square seal in the form of a glue booklet, made of 120 g kraft paper, thick and durable, with excellent sealing performance. Your privacy will be well protected.

Privacy Protection: These invitation envelopes for 5x7 cards are thick, sturdy and not see- through, keeping your contents private and refusing to leak. This 5x7 envelope is very suitable for 5x7 cards/photos. These envelopes are also very suitable for direct mail, letters, postcards, weddings, birthdays, baby showers, graduations, holidays, handmade cards, business.

Sealing: This is a huge time-saving envelope, each envelope comes with a separate tape, just tear off the protective strip, press, and seal it. Easy to seal peeling and sealing and closing operations, this type of adhesive is ideal for commercial applications, wedding announcements, and mailing.

120 IN 1 PACKAGE - Perfect for mailing maps, invitations, poetry scrolls, poems, lyrics, menus, letters, brochures, or old-fashioned style weddings, anniversaries or graduation letters, thank you notes, announcements, etc.

20 PCS 2 TYPES RETRO DURABLE ENVELOPES - Made of sturdy kraft paper, contains 10pcs Rutic Brown and 10pcs Coffe Brown colors, size 20 x 12 cm (7.87*4.73 inch).

64 PCS 4 TYPES RETRO STATIONARY PAPERS - 4 designs each 16pcs writing papers of brown 1# Unlined Grape Vine, 2# Unlined Plant Totem, 3# Lined Red Flower, 4# Lined Fringed Edge. Size 21 x 14.5 cm (8.27*5.71 inch).

Card Envelopes 5x7: Use this bulk pack of colorful envelopes for a themed event and use stamps, paint, glitter, stickers, markers, or ribbon to customize them to match any occasion

Multi-Purpose: The cute A7 envelopes are ideal for mailing photos, thank you notes, holiday cards, greeting cards, invitations, graduation gift cards, and letters

Reliable Quality: Our square flap envelopes are made from high-quality 120gsm thick colored paper that won’t easily rip or tear in transit; the envelopes feature a self-adhesive tape for easy sealing

Quantity:Package includes Bulk 150 Pcs A9 Invitation Envelopes Self Seal Greeting Card Envelopes Photo Envelopes Brown Kraft Envelopes Square Flap Announcement Envelopes.Perfect for Invitations, Thank You Note Cards, Greeting Cards, Save The Date Cards, Holiday Cards, Business Cards, Rsvp Cards, Personal Notes, Announcements, Letters, Photos, Messages, Social Mailings, Direct Mail, Regular Personal Mail, Regular Correspondence, Business Communications and Stationery Collection.

Material: A9 envelopes are crafted from 100 lb.(150 GSM) text-weight paper,featuring a matte finish.A9 envelopes are easily sealed by a Peel & Press strip located on the inside of the back square flap, So you do not have to lick or wet the envelope to close. According to our in house print tests and customer feedback, our envelopes and cards can printed by laser printers and inkjet printers friendly.

Color:A9 Brown Kraft Envelopes Self Seal feature an rustic texture and look in brown paper. Beautiful brown color perfect for lettering and will give a perfect low-key and natural feel to invitations you're sending out. A9 self sealing envelopes perfect match for all occasions whether playful or formal.

Quantity: Package includes Bulk 150 Pcs A8 Invitation Envelopes Peel & Press Self Seal Brown Kraft Envelopes Square Flap Envelopes 5x7 Photo Envelopes Mailings Envelopes Holiday Greeting Cards Envelopes. According to our in house print tests and customer feedback, our envelopes and cards can printed by laser printers and inkjet printers friendly.

Dimensions:A8 Invitation Envelopes measure 5 1/2" x 8 1/8"(LxW).This is a perfect size for holding 5" x 7" photo,A7 and A8 flat and folded cards.A8 envelopes can be an outer envelope for invitations fitting inside A1 A2 A4 A6 A7 envelopes.A8 Invitation Envelopes can fit inside A9 and A10 size envelopes easily.Perfect for mailing and stationery collection.

Color:A8 Announcements Envelopes feature rustic texture and look in brown paper. Beautiful brown color perfect for lettering and will give a perfect low-key and natural feel to invitations you're sending out. A8 brown kraft envelopes perfect match for all occasions whether playful or formal.

5 X 7 envelopes for invitations: Self Seal Square Flap standard A7 envelope, made of high quality thick papers, which will protect your privacy.

Self Seal Envelopes: Go away with licking yucky glue! Peel, Press & Self Seal. Easy and time-saving. No paper cuts on your tongue and no need moisture.

Widely use: perfect for Weddings, Invitations, Photos, Postcards, Greeting Cards Mailing,Baby Shower, Graduation

THICK and DURABLE ENVELOPES - made from the most popular business letterhead or stationery weight of 24lb bond / 60lb text paper that greatly holds mailing documents; Gummed Booklet Style Square Flap that provides extra security for document's safe-keeping

STANDARD A6 SIZED ENVELOPES - 4.75” x 6.5” inches that fit any 4x6 letters, postcards, greeting cards, photos, announcements, social and invitation purposes and more; ideal large reply envelope size that fits inside A7, A8, A9 and A10 sizes envelopes

PERFECT FOR BUSINESS OR PERSONAL USE - great for enclosing your Save the Dates, DIY Invitations, Thank you cards, Graduation announcements, Do-It-Your-self Greeting Cards, and business correspondence; it can be hand addressed or professionally printed

Quantity: 200 Pcs A9 Invitation Envelopes in Kraft Brown Peel & Press Self Seal 5 3/4 x 8 3/4 Envelopes come in A Sturdy White Cardstock Storage Box. Box help you nice to keep on the shelf. A9 Invitation Envelopes feature an rustic texture and look in brown paper. Beautiful brown color perfect for lettering and will give a perfect low-key and natural feel to invitations you're sending out.

Material: These sturdy A9 Square Flap Envelopes are 100lbs. Paper Stock and will not easy to tear. Self Sealing Envelopes feature a classic square flap that has peel and stick adhesive for convenient use. You can't see through this envelope. Elegant yet very sturdy!These blank envelopes have a smooth matte surface for painting and decorating with colorful markers or tapes. These envelopes can printed by laser printers and inkjet printers friendly.

Size: Each A9 invitation envelope is 5 3/4" x 8 3/4". Perfect size for any occasion invitations, thank you note cards, greeting cards, save the date cards, love letters, holiday cards, homemade cards, business cards, RSVP cards, personal notes, announcements, letters, photos, messages, social mailings, direct mail, regular personal mail, business correspondence, business promotional mail, stationery, paper crafts or other personalized communications and stationery collection.

THICK and DURABLE ENVELOPES - made from the most popular business letterhead or stationery weight of 24lb bond / 60lb text paper that greatly holds mailing documents; Gummed Booklet Style Square Flap that provides extra security for document's safe-keeping

STANDARD A7 SIZED ENVELOPES - 7 1/4” x 5 1/4” inches that fit any 5 x 7 letters, postcards, greeting cards, photos, announcements, social and invitation purposes and more; ideal large reply envelope size that fits inside A8, A9 and A10 sizes envelopes

PERFECT FOR BUSINESS OR PERSONAL USE - great for enclosing your Save the Dates, DIY Invitations, Thank you cards, Graduation announcements, Do-It-Your-self Greeting Cards, and business correspondence; it can be hand addressed or professionally printed

THICK and DURABLE ENVELOPES - made from the most popular business letterhead or stationery weight of 24lb bond / 60lb text paper that greatly holds mailing documents; Gummed Booklet Style Square Flap that provides extra security for document's safe-keeping

STANDARD A7 SIZED ENVELOPES - 5.25” x 7.25” inches that fit any 5x7 letters, postcards, greeting cards, photos, announcements, social and invitation purposes and more; ideal large reply envelope size that fits inside A8, A9 and A10 sizes envelopes

PERFECT FOR BUSINESS OR PERSONAL USE - great for enclosing your Save the Dates, DIY Invitations, Thank you cards, Graduation announcements, Do-It-Your-self Greeting Cards, and business correspondence; it can be hand addressed or professionally printed

THICK and DURABLE ENVELOPES - made from the most popular business letterhead or stationery weight of 24lb bond / 60lb text paper that greatly holds mailing documents; Gummed Booklet Style Square Flap that provides extra security for document's safe-keeping

STANDARD A7 SIZED ENVELOPES - 7 1/4” x 5 1/4” inches that fit any 5 x 7 letters, postcards, greeting cards, photos, announcements, social and invitation purposes and more; ideal large reply envelope size that fits inside A8, A9 and A10 sizes envelopes

PERFECT FOR BUSINESS OR PERSONAL USE - great for enclosing your Save the Dates, DIY Invitations, Thank you cards, Graduation announcements, Do-It-Your-self Greeting Cards, and business correspondence; it can be hand addressed or professionally printed

Perfect for A7/5x7 weddings, birthdays, baby showers, graduations and all sorts of party invitation cards. Stuff the envelopes with photo’s, CD’s, cards or whatever else you need.

Just peeling off the strip and sealing the flap to get an effortless mailing, no need to lick or moisten. Also, the adhesion of flap is quite strong, secure and lasting, keeping contents from falling out when transiting.

If you want to print or mark your envelopes, these envelopes are perfect for digital and offset commercial printers.

Size :A7 size colorful envelope,5 1/4" x 7 1/4" standard A7 size, with square seal in glue book form, high quality paper, thick and durable, excellent sealing. Your privacy will be well protected.

Design: This 12.70x17.78cm colorful envelope is perfect for 12.70x17.78cm cards/photos. (Pink, light green, light blue, light purple, bright red, lake blue, yellow, orange, dark purple, green) These colorful envelopes are also great for direct mail, letters, postcards, weddings, birthdays, baby showers, graduations.

Seal: This is a very time-saving card envelope. Each envelope comes with its own tape. Simply remove the protective film and press to seal. This adhesive is easy to seal peel, seal and close operations and is ideal for commercial applications, wedding announcements and mailing.

1. Convenient self-sealing closure: Perfect size 6x9 inches (approximately 155x215 mm),self-seal envelopes have a self-adhesive seal that simply peels off to form a complete, secure seal across the width of each envelope, more convenient than ordinary wet and sealed envelopes, saving your time.

2. Secure coloring: Mailing envelopes are securely colored and have a windowless design. Secure coloring makes the envelope difficult to see through, protecting the contents and sensitive information, perfect for protecting sensitive information.

3. Long-time storage: These small envelopes can be used for a long time due to the peelable strips that protect the adhesive from dust. You can prepare some mailing envelopes in your office, school, home, etc. to ensure you use them when you need them.

Quantity: 500 Pcs A2 Invitation Envelopes in White Peel & Press Self Seal Come in A Nice Sturdy White Cardstock Storage Box. Box help you nice to keep on the shelf. A2 square flap envelope fits inside all larger "A" envelope sizes. It's commonly used as an RSVP and return envelopes. A2 sized envelope is designed to hold a 8-1/2" x 11" sheet of paper folded in quarters. Making this the perfect envelope for all your social stationary needs.

Material: These Sturdy A2 Invitation Envelope are made from 95lb.text-weight paper and will not easy to tear. A2 iniviation envelopes are thick enough to protect documents inside and not see through. A2 Self Sealing Envelopes feature a classic square flap that has peel and stick adhesive for convenient use. These blank envelopes have a smooth matte surface for painting and decorating with colorful markers or tapes.

Color: The A2 RSVP Envelopes are in bright white, the most classic color that can go well with any theme and can be used for all occasions. From wedding, baby shower or graduation party invitations to special holiday greetings, from simple and classy letters, to promotional mail for your business, these White Envelopes can do it all! Perfect for adding embellish the envelopes with markers, pens and calligraphy. These envelopes can printed by laser printers and inkjet printers friendly.

✉ FINE and DURABLE ENVELOPES - made from the most popular business letterhead or stationery weight of 24lb bond / 60lb text paper that greatly holds mailing documents; Gummed Booklet Style Square Flap that provides extra security for document's safe-keeping

✉ STANDARD A6 SIZED ENVELOPES - 4 3/4” x 6 1/2” inches that fit any 4 x 6 letters, postcards, greeting cards, photos, announcements, social and invitation purposes and more; ideal large reply envelope size that fits inside A7, A8, A9 and A10 sizes envelopes

✉ PERFECT FOR BUSINESS OR PERSONAL USE - great for enclosing your Save the Dates, DIY Invitations, Thank you cards, Graduation announcements, Do-It-Your-self Greeting Cards, and business correspondence; it can be hand addressed or professionally printed

✉️Envelopes Self Seal: Just peel off the strip of the A7 envelopes and seal the flap for effortless mailing, no need to lick or moisten. The adhesion of the flap is also quite strong, secure and lasting, keeping contents from falling out during transit.

✉️Invitation Envelopes: Made from recyclable white kraft paper, these mailing envelopes measure 5.25 x 7.25 inches, 120GSM. The white envelopes with a matte texture are elegant and delicate to show your good taste.

✉️Printer Compatible: Ideal for customizing or marking your personalized style with LASER, INKJET & COPIER without worrying about smudging or paper jams. Also great for commercial applications, wedding announcements, and mailings.

High Quality Business Envelopes: Made of 120 GSM superior paper with outstanding durability and sealing and it won't easily tear in transit.

Set of 100: Package includes 100 pack A2 invitation envelopes, meeting the need of daily life and office use.Ideal for any occasion - wedding, graduation, birthday, party, holiday, business and more.

Self Seal Standard Envelopes easy to use: The Colorful envelopes is easy to use. Just peeling off the strip and sealing the flap to get an effortless mailing, no need to lick or moisten. Also, the adhesion of flap is quite strong, secure and lasting, keeping contents from falling out when transiting.