Best Self Seal Catalog Envelopes in 2026

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

6x9 Envelopes: Dimension of Eupako small catalog envelopes is 6x9 inches, smooth touching and professional looking, designed with a self seal and pre-folded flap, saving much time when handling multiple mailings.

Set of 250: Package includes 250 pack 6x9 envelopes self seal, meeting the need of home, office and business use. The catalog mailing envelopes are ideal for mailing catalogs, photos, booklets, bulletins, brochures, handmade cards, Christmas cards, wedding invitations and folded sheets of papers.

Self-sealing Flap: The brown catalog envelope 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.

Adequate supplies: 50 pieces clasp envelopes with flaps are available in 4 different sizes, you will get 26 pieces envelopes of 5 x 7 inch, 14 pieces envelopes of 6 x 9 inch, 8 pieces envelopes of 9 x 12 inch, 2 pieces envelopes of 10 x 13 inch, different sizes can hold various files in different sizes

Essential tools: the brown kraft catalog clasp envelopes are the practical stationery that most offices would need; Designed to provide extra protection for items during mailing, storage and handling, it is very suitable for daily household and business use

Quality material: the brown kraft catalog clasp envelopes with clasp seal are made of quality kraft material, safe and durable to use with a durable metal clasp and a reinforced eyelet on the open end, so you won't worry about the content suddenly falling out

Adequate supplies: 50 pieces clasp envelopes with flaps are available in 4 different sizes, you will get 26 pieces envelopes of 5 x 7 inch, 14 pieces envelopes of 6 x 9 inch, 8 pieces envelopes of 9 x 12 inch, 2 pieces envelopes of 10 x 13 inch, different sizes can hold various files in different sizes

Essential tools: the brown kraft catalog clasp envelopes are the practical stationery that most offices would need; Designed to provide extra protection for items during mailing, storage and handling, it is very suitable for daily household and business use

Quality material: the brown kraft catalog clasp envelopes with clasp seal are made of quality kraft material, safe and durable to use with a durable metal clasp and a reinforced eyelet on the open end, so you won't worry about the content suddenly falling out

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.

Adequate quantity and suitable size: 100 pieces clasp envelopes with flaps are available in 3 different sizes; 50 Pieces envelopes of 5 x 7 inch, 30 pieces envelopes of 6 x 9 inch, 20 pieces envelopes of 9 x 12 inch, various sizes for you to choose, and sufficient quantity can meet your usage

Essential tools: these kraft catalog clasp envelopes are practical stationery needed in most offices; Designed to provide extra protection for items in the process of mailing, storage and handling, they are suitable for daily household and commercial usage

Quality material: featuring quality kraft material, these catalog envelopes with clasp seal are safe and reliable to use; Adopting a quality metal clasp and a reinforced eyelet on the open end, these envelopes will not let the content falling out easily

Plenty Full Face Window Envelopes Set: the package comes with 100 sets of 9 x 12 inches full face window envelopes, enough quantity for your daily use, which is enough to ensure you always have creative photos or certificates full face window envelopes on hand when you needed

Window Design of Envelopes: these white window business envelopes are designed with full face window envelopes, which are more intuitive display of the item what you want to display; Suitable for sending photos, certificates, invoices, headshots, letters, documents, checks, thank you notes, greeting cards, invitations, and announcements

Fit for Most Occasions: it's a good idea to use decals, markers or labels to easily customize these 9 x 12 inches full face window envelopes for baby showers, birthdays, anniversaries, weddings, greetings, graduations, Thanksgivings, Christmas, Valentine's, and many other holidays; In addition, it is nice to give to friends and family as a gift to display your most beloved memories of that day

Plenty Full Face Window Envelopes Set: the package comes with 100 sets of 6 x 9 inches full face window envelopes, enough quantity for your daily use, which is enough to ensure you always have creative photos or certificates full face window envelopes on hand when you needed

Window Design of Envelopes: these white window business envelopes are designed with full face window envelopes, which are more intuitive display of the item what you want to display; Suitable for sending photos, certificates, invoices, headshots, letters, documents, checks, thank you notes, greeting cards, invitations, and announcements

Fit for Most Occasions: it's a good idea to use decals, markers or labels to easily customize these full face window envelopes for baby showers, birthdays, anniversaries, weddings, greetings, graduations, Thanksgivings, Christmas, Valentine's, and many other holidays; In addition, it is nice to give to friends and family as a gift to display your most beloved memories of that day