4x6 Rigid Mailers: Made of thick cardboard, the mailer is rigid and stiff. Uneasy to rip or tear, protect valuable art prints, photos, postcards during transportation.
Peel & Seal Closure: The rigid mailing envelopes have a self-adhesive seal strip at the top to ensure contents are secure during transit. Tear strip design for photo mailer also helps you open the package without struggle.
High Quality: Made of high quality 400GSM paperboard, thick, smooth and lightweight, our 4x6 rigid mailer reduces the cost of shipping without sacrificing protection.
The Perfect Size: Each one of our stay flat mailers measures 6.5 x 4.5 inches, ideal for mailing stickers, thank you notes, holiday cards, greeting cards, invitations, announcements, stationery, photos, and postcards.
Package: 50 Pack small shipping envelopes for mailing sports cards, gift cards, and photos. Blank white envelopes allow you use some stamps, ink and labels to decorate your own envelopes.