This set of 100 document mailers can be used to ship books, disks, documents, postcards, pictures, and art prints to your friends and family. Each stay flat mailer measures 12.5 x 12.5 inches and features a peel and seal adhesive for convenient and efficient sealing, no need to add glue or water. The high-quality, thick paper board construction ensures contents remain securely inside while in transit.

Mailing Envelopes: Protect valuable art prints, photos, CDs, books, certificates, and important documents this set of 100 mailing envelopes; use stamps, labels, and colorful ink to personalize the envelopes

Self-Adhesive Seal: The white mailing envelopes have an adhesive strip at the top to ensure contents are secure during transit, simply peel and seal

Reliable Quality: Our paperboard mail envelopes reduces the cost of shipping without sacrificing protection; the tear strip tab at the top allows for quick and convenient opening

The Perfect Size: Each mail envelope measures 12.5 x 12.5 inches; perfectly sized for gift cards, posters, and calendars