JAM Paper Tyvek Envelopes, #14, 5 x 11 1/2, White, 500 Pack vga_cables_334722 Ce type de matériau sert

Ce type de matériau sert également à construire et à isoler les maisons

Le devant et l’arrière lignés en papier manille à double épaisseur sont ultra résistants

Ce paquet contient 25 enveloppes blanches de 34

and is produced from high quality 30lb paper that's both thick and durable

elles sont épaisses et résistantes

JAM Paper Tyvek Envelopes, #14, 5 x 11 1/2, White, 500 Pack vga_cables_334722 Ce type de matériau sertJAM 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