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 Leur format est idéal pour

Leur format est idéal pour les feuilles de format standard et légèrement plus grandes

Each pocket has a certified Hook & Loop Closure for secure closing and simple opening

Fabriquées en papier épais de 145 g/m²

This pack contains 12 yellow sleeves

and protected

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 Leur format est idéal pourJAM 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