JAM Paper Tyvek Envelopes, 9 x 12 Open End, White Airmail, 250 Pack VariesBy:envelope_colour_17838:Assorted|envelope_size_8174:9" x 12"|envelope_pack_size_1000101:250 Pack Their jet black color completes

Their jet black color completes their sophisticated and elegant appearance

Utilisez ce porte-documents transparent au bureau ou lors de vos déplacements

Leur format et leur forme uniques ne manqueront pas d'attirer l'attention de leurs destinataires

Each envelope measures 4 3/4" x 11" to accommodate to letters

This pack contains 1000 envelopes

JAM Paper Tyvek Envelopes, 9 x 12 Open End, White Airmail, 250 Pack VariesBy:envelope_colour_17838:Assorted|envelope_size_8174:9" x 12"|envelope_pack_size_1000101:250 Pack Their jet black color completesJAM 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