JAM Paper Tyvek Envelopes , #10, 4 1/8 x 9 1/2, White, 250 Pack VariesBy:envelope_colour_17838:White|envelope_size_8174:4-1/8" x 9-1/2"|envelope_pack_size_1000101:250 Pack 25 (about 6 x 9

25 (about 6 x 9 inches)

Fabriquées en papier épais de 145 g/m²

aux bureaux

JAM Paper Plastic See Through 9" x 12" Foil Envelopes are a pack of 100 water resistant

ces pochettes uniques répondent à tous vos besoins avec une efficacité optimale

JAM Paper Tyvek Envelopes , #10, 4 1/8 x 9 1/2, White, 250 Pack VariesBy:envelope_colour_17838:White|envelope_size_8174:4-1/8" x 9-1/2"|envelope_pack_size_1000101:250 Pack 25 (about 6 x 9JAM Paper Heavy Duty Tyvek Envelopes are some of the strongest and sturdiest envelopes available. Tyvek is a registered trademark of DuPont, the established chemical company responsible for developing this durable polymer. Tyvek is composed of high density polyethylene fibers, a synthetic material that is extremely hard to rip and tear. This type of material is the same used to build and insulate houses, so you can be assured the materials inside