Best Packagingsuppliesbymail Envelopes And Mailing in 2025

Box of 100 windowless #10 security envelopes with a Redi-Strip peel and seal closure

Security envelopes have a special security tint pattern that obscures what's inside; ideal when you're sending more sensitive material through the mail

Self seal envelopes are quick, easy and more clean and sanitary than gummed envelopes; with a Redi-Strip closure, just peel off the strip and press closed for a secure seal; no moisture needed

#10 business letter envelopes for personal or professional use

Includes 500 #10 envelopes made of 24-pound standard white woven paper for quality and strength; no tint

Moisture activated gummed closure ensures a secure seal

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.

500 PACK SELF SEAL BUSSINESS ENVELOPES：HERKKA #10 Security envelopes are designed with Peel & Seal closure—no moisture needed and a premium security tint to protect sensitive information and a super strong SELF-SEAL strip.perfect for home or office; securely send checks, invoices, or other confidential documents.

PREMIUM SECURITY TINT PATTERN: The interior of our #10 Security envelopes use a dark navy, heavy coverage security tint to provide guaranteed privacy for your legal or business mail, offer the protection contents and sensitive information, a security tint makes envelopes hard to see through that ensures upmost privacy.

PERFECT FOR CHECK PRINTING DESIGN: HERKKA envelopes ideal for standard business & legal documents and sensitive correspondence, manufactured with a windowless blank design allows for easy address printing or labels for mass mailing or to simply keep a bulk supply on hand for your home office. Perfect for quick, mass business mailings.

MORE VALUE FOR MONEY: Everyone agrees a set of 50 Brown 5x7 Envelopes is great value. But when they’re shrink wrapped and become tattered and lost over time, that value obviously diminishes. But not Sweetzer & Orange 5 x 7 Envelopes. These thick self seal invitation envelopes come nestled in their own sturdy box. So, that ‘value for money’ you expect, is now the value you get, until the very last one.

TRUE TO SIZE: When we say 5x7 plain envelopes for photos and other things, we mean it. In fact they’re 5.25 inches x 7.25 inches! So your true to size 5x7 photo or pre-ordered 5x7 invitation cards will fit perfect and with room to spare. And as for how much you can cram in? Well, each A7 envelope will easily fit up to 9 regular photos. And they’re made for regular postage when you don’t overstuff them.

THICKER THAN MOST: You’ve probably seen thinner 120gsm blank envelopes today. Or those Kraft envelopes that look like thin paper bags. These, are NOT those. Because you’re using them for special cards, documents, photos and invites you’ll love that they’re matte, thick 150gsm kraft paper envelopes. They’re non-bleed, so calligraphy pens love them, and you can even pop them in your printer!

Size: 7.5"x5.5", inside usable dimensions: 7" x 5".

200 packs in total.

Clear outer face.

Size: 7.5 x 5.5 inches, Pack of 100 pcs

Clear outer face, you can clearly see the label or invoice inside the transparent bags

Fast simple application: simply peel off the paper backing and stick it to package

PERFECT FOR ALL OCCASIONS: If you’re looking for an envelope for baby shower invitations, wedding invitations, holiday cards, pregnancy announcements, RSVPs, thank-you cards, and more, our A7 LUX Paper envelope is an excellent option. These square flap envelopes are also perfect for direct mail, letters, postcards, and 5” x 7” photos so you can depend on them for all your special mailing needs.

MOISTENABLE GLUE SEAL: The lick and seal design of these envelopes is perfect for any use. Plus, the glue doesn’t taste horrible! You can even use a moistener to avoid licking the glue — it’s a huge time-saver! Simply moisten the strip of glue, press, and seal. It couldn't be easier! This type of adhesive is great for business applications, wedding announcements, and personal notes.

PRINTABLE & CUSTOMIZABLE: If you want to customize or label your envelopes with zero hassle, you’re in luck! These envelopes are printer-friendly, so you can use your home laser or inkjet printer to address them. They are printable on both digital and offset commercial printers. No need to worry about smudging or jamming because these envelopes are made for compatibility with most printer models.

PERFECT FOR ALL OCCASIONS: If you’re looking for an envelope for baby shower invitations, wedding invitations, holiday cards, pregnancy announcements, RSVPs, thank-you cards, and more, our square envelope is an excellent option. These square flap envelopes are also perfect for direct mail, letters, postcards, and 5 1/2” x 5 1/2” photos so you can depend on them for all your special mailing needs.

PEEL & PRESS SEAL: The self-seal design of these envelopes is perfect for anyone who doesn’t want to lick or use a moistener on every single envelope — it’s a huge time-saver! Simply peel off the protective strip, press, and seal. It couldn't be easier! This type of adhesive is great for business applications, wedding announcements, and personal notes.

PRINTABLE & CUSTOMIZABLE: If you want to customize or label your envelopes with zero hassle, you’re in luck! These envelopes are printer-friendly, so you can use your home laser or inkjet printer to address them. They are printable on both digital and offset commercial printers. No need to worry about smudging or jamming because these envelopes are made for compatibility with most printer models.

PERFECT FOR ALL OCCASIONS: If you’re looking for an envelope for baby shower invitations, wedding invitations, holiday cards, pregnancy announcements, RSVPs, thank-you cards, and more, our A7 LUX Paper envelope is an excellent option. These square flap envelopes are also perfect for direct mail, letters, postcards, and 5” x 7” photos so you can depend on them for all your special mailing needs.

PEEL & PRESS SEAL: The self-seal design of these envelopes is perfect for anyone who doesn’t want to lick or use a moistener on every single envelope — it’s a huge time-saver! Simply peel off the protective strip, press, and seal. It couldn't be easier! This type of adhesive is great for business applications, wedding announcements, and personal notes.

PRINTABLE & CUSTOMIZABLE: If you want to customize or label your envelopes with zero hassle, you’re in luck! These envelopes are printer-friendly, so you can use your home laser or inkjet printer to address them. They are printable on both digital and offset commercial printers. No need to worry about smudging or jamming because these envelopes are made for compatibility with most printer models.

💌 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)

#6 3/4 SECURITY TINTED SELF SEAL ENVELOPES; want the very best in secure, security-tinted envelopes with a super strong self-seal? Aimoh's No. 6 3/4 Security Envelopes combine durable, printer-compatible paper, a security tinted design and strong self-seal QUICK-SEAL for the best #6 3/4 security self-seal envelopes on the market

SUPER SECURITY TINT PATTERN; #6 3 / 4 envelopes designed with a secure, security tint-pattern to protect contents and sensitive information, perfect for ultra-secure personal mailing while protecting sensitive information

300 ENVELOPE PACK; these envelopes are manufactured with a WINDOW-LESS front panel for the perfect choice for Personal Checks, home offices and everyday use, No. 6 3/4 Security Envelopes are provided in a 300-envelope pack

STOCK UP: Ensure you always have envelopes in hand for all your mailing needs

MULTIPLE USES: Perfect for mailing holiday cards, greeting cards, handwriting notes, photos, save the dates, invitations, thank you notes, and more. Eligible for mailing as a letter

PREMIUM QUALITY: Booklet style square flap with a glue seal closure; 70lb text paper stock; made with a minimum of 30% post-consumer fiber; uncoated finish is great for ink or LaserJet printers

Our #10 light blue envelopes are the ideal choice for mailing letters, gift certificates, and cards

Use stickers, markers, and labels to easily customize these colorful blank business envelopes

The cash envelopes feature high-quality paper and a square flap to keep your contents secure

【9 X 12 Inches, 250 Packs】 Coming with a nice storage box, ValBox white catalog envelopes are 250pcs/packs. 9 x 12 inch self sealing envelopes is perfect for standard letter size papers, business documents, photographs, contracts, magazines and more without folding.

【Peel & Seal, No Licking】 This self seal catalog envelopes are easy to peel and seal with a strong flap adhesive, no licking of glue or water to moisten when working with multiple mailings. Good job in saving time.

【Provides Complete Security】 Adhesive on ValBox 9x12" security catalog envelopes creates a strong lasting seal. You don't need to worry about the contents in the white catalog mailing envelopes falling out during transit even you have put hefty 60 sheets of paper or magazines.

Perfect for secure everyday home and business mailing. Our Security #10 Windowless Envelopes perfectly fit standard 8.5’’ x 11’’ paper sizes and other large documents. Easily fits invoices, letters, checks, and more.

Provides complete mail security. No need to worry about others seeing your documents, our dark black security tint completely hides you mail.

Just peel and seal to create a strong lasting seal without licking or moistening. Our self seal design is quick and easy and is guaranteed to stay sealed with no need for tape or glue sticks.

Perfect size for standard 8.5'' x 11'' letter paper, wide opening saves times when stuffing up to 60 sheets of letter paper securely

Just Peel and Seal to create a strong lasting seal: No need to worry about your contents failing out during transit even when shipping hefty shipments like 60 sheets of paper or magazines

Provides complete security: your documents are safe from others during transit. Safe for sensitive documents like tax, legal, and financial documents

Durable & Vibrant Cash Envelopes: ACSTEP envelopes are designed for repeated usage, withstanding the demands of daily use. These envelopes are perfect for money-saving enthusiasts looking for an efficient and colorful way to organize their cash. Choose ACSTEP and add a vibrant touch to your savings journey!

Bold Colored Design: Our envelopes come in an array of fun and bold colors, adding excitement to your savings challenge. The distinct colors also assist in separating different payment categories. Enjoy saving money with a splash of color with ACSTEP envelopes!

Optimal Size & Generous Quantity: At 3 1/2 x 6 1/2, these envelopes are perfectly sized for your cash and notes. With a pack of 200 envelopes, you will have more than enough to keep your finances organized. Make ACSTEP your choice for efficient cash management!

PACKAGE INCLUDE - 100pcs/Pack 7.5"x5.5" (Inside usable dimensions:7"x5") tamper-resistant waterproof packing list pouches.

HIGH CLEAR - High clear outer surface, you can clearly see the packing list, labels and invoice documents in the transparent plastic envelope.

EASY TO USE - You just need to peel off the paper backing and paste it on the packaging.

✉️【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.

A4 4x6 PHOTO ENVELOPES; want to add the perfect touch to invitations, cards, letters or greetings? Our 4x6 Photo Envelopes combine the very best 24lb woven stock with premium classic style flaps for the perfect photo envelopes

LUXURY 24LB STOCK; manufactured from premium quality 24lb white woven stock creating a super high quality, luxury feel, perfect for adding an elegant touch to personal greetings and letters

SELF-SEALE FLAP; super strong Self Sealing Quick-Seal Classic Square closure, ideal for posting cards and photographs without splitting or tearing as with other cheaper A4 envelopes

#10 SINGLE WINDOW SECURITY ENVELOPES; forget cheap, thin envelopes that allow contents to be easily read, our #10 Security Envelopes are premium quality, ultra secure envelopes suitable for everyday business and legal mailing while protecting sensitive contents and information

ULTRA STRONG QUICK SEAL; manufactured with ultra strong, quick seal adhesive, creating a super strong seal across the width of the envelope for a strong seal that won’t easily tear, perfect for mailing larger, thicker documents

EASY READ SINGLE WINDOW; perfect for bulk mailing, each envelope has a premium, extra large, easy read 4-1/2 X 1-1/8 poly-window, positioned 7/8" from the left and 1/2" from the bottom of the envelope, perfect for displaying addresses or business information, making slow printing and hand addressing a thing of the past

VALUE SECURITY ENVELOPES PACKAGE - Package includes 120 PCS self seal #10 security envelopes with larger size of 4-1/8 x 9-1/2 inches which can easily get your large documents, pictures, photos, files, papers or other items organized and shipped safely.

HIGH QUALITY & FINE WORKMANSHIP - Say goodbye to the security envelopes in cheap quality. Here our #10 self seal security envelopes are made of high quality material with fine workmanship to keep the envelopes stay flat during the mailing time, safe mailing without causing any damage.

ULTRA STRONG SELF SEAL CLOSURE - The #10 security envelopes are with strong self seal tape closure to offer a ultra strong sealing performance and keep the inside documents safe, not easy to open or tear even shipped in the most Violent Express, providing the max safety.

Get a box of 100 Columbian 9 x 12 envelopes with SimplySafe tamper-evident pull strips and security tinted interiors for mailing sensitive oversized documents; easy peel off Release & Seal closure

Columbian 9 x 12 envelopes have a patented SimplySafe seal that will show signs of tampering, safeguarding against unauthorized opening

Security envelopes have a strong security tint pattern so you can't see what's inside; ideal for obscuring more sensitive information and protecting critical documents

NO. 6 x 9 BOOKLET ENVELOPE PACK : 6” x 9” size business envelopes are perfect for mailing a variety of big documents including booklets, catalogs, forms, invoices & cards great envelopes for mailing tax returns ideal size for brochures, legal docs, wedding invitations & direct mailers offers maximum space within USPS 1-stamp dimension requirements; buy bulk & save big on both supplies & shipping.

DURABLE 24LB PAPER : These colored business envelopes are crafted from durable 24lb High quality Starburst paper. This makes them economical and durable.

BRIGHT COLOR : These brightly colored envelopes never fail to impress. Attractive and attention-grabbing, these multicolor envelopes are a popular choice for sending marketing mailers.

HEAVYWEIGHT ENVELOPE SET : Box of 100 single envelopes accommodates variety of small & large documents for home, office, business, legal & more.

SUPER STRONG CONSTRUCTION : Standard brown kraft envelopes are crafted of heavy, durable 28lb paper for exceptional rip, tear & puncture resistance.

DOUBLE SEAL DESIGN : Provides dependable security for work & personal mailing; features reusable dual prong clasps & gummed seals w/ tough adhesive glue.

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.

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.

9 x 12 BOOKLET ENVELOPE PACK – Business Envelopes Are Perfect for Mailing a Variety of Big Documents Including Booklets, Catalogs, Forms, Invoices & Cards Great envelopes for mailing tax returns

PEEL AND SEAL CONVENIENCE – Easy Close Design Features Durable No Lick Flap with Pre-Moistened Adhesive Strip & Removable Backing; Just Peel, Press & Send

HEAVY 28 LB PAPER STOCK – Prevents Rips, Tears, Weather & Travel Damage While Providing Thick, Durable Surface for Printed Return Address & Other Custom Detail

#9 DOUBLE WINDOW QUICK SEAL SECURITY ENVELOPES; tired of cheap thin, easily torn envelopes? Aimoh's#9 Security Envelopes are the perfect solution, with premium security tint, extra large, easily read dual front windows and super secure quick seal adhesive

SECURITY TINT; forget thin, easily read envelopes these premium #9 Security Envelopes are designed with security tinted wave patterns which easily obscure details, numbers and other data within, perfect for mailing business statements and invoices while protecting sensitive information

DOUBLE WINDOWS; professional, easily read double front windows suitable for standard business and legal mailings, advertising campaigns and many more, eliminating constantly printing and hand writing addresses, Each envelope contains two front windows, a 1-3/16" X 3-1/2" top window positioned 3/8" from the left and 2" from the bottom and the bottom 1" X 4" window is 3/8" from the left and 1/2" from the bottom