JAM Paper Tyvek Envelopes , #10, 4 1/8 x 9 1/2, White, 1000 Pack VariesBy:envelope_colour_17838:White|envelope_size_8174:4-1/8" x 9-1/2"|envelope_pack_size_1000101:1000 Pack Les enveloppes grises avec ouverture

Les enveloppes grises avec ouverture à l’extrémité offrent la même robustesse

possède une ouverture facile

des allumettes

elles protègent efficacement le contenu

chip or peel

JAM Paper Tyvek Envelopes , #10, 4 1/8 x 9 1/2, White, 1000 Pack VariesBy:envelope_colour_17838:White|envelope_size_8174:4-1/8" x 9-1/2"|envelope_pack_size_1000101:1000 Pack Les enveloppes grises avec ouvertureJAM 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