rigid envelope

JAM Paper Brite Hue Monarch Envelopes, 3.875" x 7.5", 50 per pack

JAM PAPER 6 x 9 Open End Catalog Colored Envelopes with Clasp Closure - Ultra Fuchsia Hot Pink - 25/Pack

Fosmon 30" x 36", Large Self-Seal Tear-Proof Polyethylene Mailers

3" Letter Envelope Opener Envelope Slitter Set, Efficient Envelope Opener Slitter, Mail Opener Blade 3 Pcs in Red, Yellow, and White - by Rampro

UOFFICE Pack of 500 Bulk Kraft Bubble Mailers 4" x 8" - #000 Self-Seal Padded Envelopes

Fosmon 14.5" x 19", Self-Seal Tear-Proof Polyethylene Mailers

JAM Paper 9 1/2'' x 1 1/4'' x 11 1/2'' 12pk Plastic Binder Envelopes with Hook & Loop Closure, 3 Hole Punch

JAM PAPER #3 Coin Business Colored Envelopes - 2 1/2 x 4 1/4 - Brown Kraft Manila - 100/Pack

JAM Paper Plastic Envelopes with Button and String Tie Closure, Letter Booklet, 9 3/4'' x 13'', Clear Poly, 12pk

UOFFICE Bubble Out Bags Self-Sealing 4" x 5.5", 1500 Pack Protective Mailing Bubble Envelopes

JAM PAPER Plastic Envelopes 6

Universal Double Window Business Envelope, #10, Square Flap, Self-Adhesive Closure, 4.13 x 9.5, White, 500/Box

Fosmon 10" x 13", Self-Seal Tear-Proof Polyethylene Mailers

Fosmon #1 Kraft Bubble Mailer 7.25" x 12", Padded Shipping Envelopes

JAM Paper Envelopes #10 50ct Parchment

Fosmon 10.5 x 16 #5 Christmas Holiday Poly Bubble Mailer Gift Wrap, Lightweight Water/Dust/Shock/Tear Resistant Padded Shipping Envelopes