Best Self Seal Catalog Envelopes in 2026

Quality Park 12x15 1/2 clasp envelopes are a staple of every office; a gummed flap & reusable clasp make them ideal for mailing and storage; 100/box

Envelopes have durable 2 prong metal clasps and reinforced eyelets to let you access your files as needed; open, close, repeat

A deeply gummed envelope flap is laid thick with moisture-activated adhesive; creates a firm seal you can trust in the mail

Quality Park's 6 x 9 catalog envelopes are perfect for holding folded documents or smaller items. They are great for mailing, storage and organizing in both home and office environments.

Redi-Strip provides a clean, quick seal immediately upon contact. Simply peel off the adhesive strip and press to seal. The peel-off strip protects the adhesive from dust for a longer shelf life

Manufactured from heavyweight 28 lb. white wove stock to give contents extra protection during mailing, storage and handling

Envelopes with Redi-Strip closure are perfect for storing and mailing letters, documents, catalogs, photos and other home and business mailings.

Manufactured from a durable stock for extra protection in mailing, storage and handling.

Redi-Strip provides a clean, quick seal immediately upon contact. Simply peel off the adhesive strip and press to seal. The peel-off strip protects the adhesive from dust for a longer shelf life.

DURABLE: Made from heavyweight 28 lb. paper stock

GUMMED: Fully gummed flaps provide a secure seal to keep contents secured

MULTI-PURPOSE: These 12 x 15.5 envelopes are perfect for storing and mailing documents, catalogs, photo's and other home and business mailings

MULTI-USE: Quality Park's 10 x 13 catalog envelopes are the perfect size for holding 8-1/2 x 11 documents, photos and catalogs. They are great for mailing, storage and keeping things organized in both home and office environments.

BROWN KRAFT 28 LB STOCK: Perfect for everyday home and business use, Quality Park's catalog envelopes are constructed from heavyweight 28 lb. brown kraft stock designed to give contents extra protection during mailing, storage and handling.

REDI-STRIP SELF SEAL REMOVABLE STRIP: provides a clean, quick seal immediately upon contact. Simply peel off the adhesive strip to create a full, secure seal that won't open or tear. The self-seal peel-off strip protects the adhesive from dust for a longer shelf life.

Quality Park 9 x 12 catalog mailing envelopes are ideal for large or heavy inserts; made of thick kraft paper with strong center seams; 250 per box

Sturdy Quality Park envelopes are manufactured from 28 lb. kraft paper; ideal for privacy and durability; a no clasp envelope is also easier to mail

A wide, heavily gummed envelope flap provides a secure, permanent seal for bulky inserts; center seam construction withstands weight and wear & tear

No moisture needed to seal; Simply fold down the flap, press and mail

Saves time in mail handling and preparation

Sturdy, 28 lb. White wove with Reid-Seal closure

SEND IT FIRST CLASS: 10 x 13 envelopes have a preprinted green diamond border to get your First Class mail deliveries noticed

VERSATILE & ESSENTIAL: Large 10 x 13 size fits 8-1/2 x 11 letters or larger documents, catalogs or photos stored flat

REDI-STRIP CLOSURE: Remove the easy-to-use paper strip and press for a sturdy seal

12" x 15-1/2" envelopes – the perfect size for holding larger documents flat

Redi-Seal closure does not require moisture to seal

Unique double-flap design keeps the gum from sticking before use; simply raise the lower flap and press to seal

GUMMED FLAP: Provides users with ease of mind that their contents will stay securely closed

DURABLE: Heavyweight 28-lb. paper stock ensures no rips or tears

MULTI-PURPOSE: Use these Brown Kraft envelopes as office envelopes, interoffice envelopes, storage of documents, etc.

Survivor Catalog Mailers made with DuPont Tyvek material are super durable, yet lightweight for important, cost-effective shipments; stock up on 100 white 6" x 9" envelopes

Catalog mailers made with DuPont Tyvek are tough enough to resist damaging punctures, tearing and moisture from shipping

Perfect for shipping smaller products to customers or selling personal items online, 6" x 9" lightweight mailing envelopes can reduce postage costs

Stock up with boxes of 100 durable Quality Park 9 1/2 x 12 1/2 catalog envelopes; in crisp bright white paper with time-saving peel and seal closures

Please don’t lick these envelopes; Quality Park Redi-Strip closures don’t require moisture—just peel and press for a safe, dry, sanitary seal

Inkjet printer compatible and perfect for use with address labels; not recommended for the laser printer

MULTI-PURPOSE: These 10 x 13 envelopes are perfect for storing and mailing full size 8-1/2 x 11 sheets of paper, letters, documents, catalogs, photo's and other home and business mailings

DURABLE: Made from heavyweight 28 lb. paper stock

GUMMED: Fully gummed flaps provide a secure seal to keep contents secured

100% post-consumer content.

Manufactured from fully recycled, chlorine free Kraft paper stock.

Traditional metal clasp

Patented release strip makes envelopes easy to open

White Tyvek envelope with Flap-Stik closure

Puncture-resistant, tear-resistant, moisture-resistant and chemical-resistant

DURABLE: Made of 40 lb. Kraft paper

REDI-STRIP: No moisture required with this Redi-Strip closure

EASE: Open-end construction allows for easy insertion of documents and printing

DURABLE: Made from heavyweight 28 lb. paper stock

GUMMED: Fully gummed flaps provide a secure seal to keep contents secured

MULTI-PURPOSE: These 9.5 x 12.5 envelopes are perfect for storing and mailing documents, catalogs, photo's and other home and business mailings

Expandable design made with DuPont℠Tyvek material.

Horizontal, open side orientation.

Redi-Strip self-adhesive closure.

USE & REPEAT: Heavy-duty Quality Park Catalog Envelopes hold up to repeated use, in or out of the office

HEAVYWEIGHT PAPER: 28 lb white wove stock gives privacy and protection for storage, inter-department and postal mail

SELF-SEALING: Redi-Seal press & seal closure helps you fly through monthly mailings in record time

Quality Park 9 x 12 catalog mailing envelopes are ideal for large or heavy inserts; made of thick kraft paper with strong center seams; 100 per box

Sturdy Quality Park envelopes are manufactured from 28 lb. kraft paper; ideal for privacy and durability; a no clasp envelope is also easier to mail

A wide, heavily gummed envelope flap provides a secure, permanent seal for bulky inserts; center seam construction withstands weight and wear & tear

The Package Length of the Product is 36.322 centimeters

The Package Width of the Product is 27.177 centimeters

The Package Height of the Product is 14.223 centimeters

Sold as 100/Box.

Clean, crisp look.

Self-adhesive closure.