These sleeve envelopes are fully transparent which allows their contents to be completely visible from the outside

JAM Paper Red Cello Sleeve with Self-Adhesive Closure Envelopes are beautifully bold in fire-engine red

Use these envelopes to mail documents

9 cm x 20 cm

JAM Paper Tyvek Envelopes, 9 x 12 Open End, White Airmail, 50 Pack VariesBy:envelope_colour_17838:Assorted|envelope_size_8174:9" x 12"|envelope_pack_size_1000101:50 Pack These sleeve envelopes are fullyJAM 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