window envelopes

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 5'' x 10'' 6pk Plastic Envelopes with Zip Closure - Multicolor: Filing Accessories, Flat Plastic, Stationery

Scotch Packet Medium Mailing Box

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

JAM Paper 9 3/4'' x 13'' 12pk Plastic 3 Pocket Envelopes with Hook & Loop Closure, Letter Booklet - Clear: Filing Accessories

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

Paper Activity Packs Tooth Envelopes - Bullseye's Playground™

JAM PAPER #10 Business Commercial Envelopes - 4 1/8 x 9 1/2 - Brown Kraft Manila - 100/Pack

JAM PAPER #10 Business Colored Envelopes - 4 1/8 x 9 1/2 - Blue Recycled - 100/Pack

JAM PAPER A10 Colored Invitation Envelopes - 6 x 9 1/2 - Sea Blue Recycled - 100/Pack

JAM PAPER #10 Business Colored Envelopes - 4 1/8 x 9 1/2 - Ultra Lime Green - 100/Pack

JAM PAPER #6 Coin Business Envelopes with Peel and Seal Closure - 3 3/8 x 6 - White - 50/Pack

JAM Paper Brown Kraft Manilla 5 1/2 x 7 1/2 Open End Envelopes -100 pk

JAM 6 x 9 Booklet Envelopes, Baby Pink, 50/Pack

JAM PAPER 5 1/2 x 7 1/2 Booklet Envelopes - White - 100/Pack

Handmade Seeded Plantable Note Cards with Envelopes Set of 6 Wildflowers

JAM Paper 9 3/4'' x 11 3/4'' 12pk Plastic Envelopes with Hook & Loop Closure, 1" Expansion, Letter Open End

Unique Bargains Vintage Texture Paper DIY Design Wedding Card Envelopes 50 Pcs

Unique Bargains Blank Paper Mini Vintage DIY Greeting Card Envelopes 20 Pcs

Fosmon 6" x 9", Self-Seal Tear-Proof Polyethylene Mailers

Unique Bargains Blank Paper Mini Vintage DIY Greeting Card Envelope 12 Pcs

Unique Bargains Pops Up Bouquet Card with Envelope for Friends Family 1 Set