protectrices et spacieuses

Each one has a rectangular straight flap and a reliable gum closure to keep items secured as they travel through the mail

thanks to their unique see-through look that makes for a beautiful presentation

Each one has a Vflap opening and a one-button snap closure to keep your documents secure and safe

JAM Paper Tyvek Envelopes, #14, 5 x 11 1/2, White, 500 Pack VariesBy:envelope_colour_17838:White|envelope_size_8174:5" x 11-1/2"|envelope_pack_size_1000101:500 Pack protectrices et spacieusesJAM 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