QUAR5121, Quality Park Tyvek Jumbo Survivor Envelopes QUA R5121

Quality Park TYVEK & Tear-Resistant Envelopes: Quality Park R5121 Tyvek Open-End Jumbo Mailers, Plain, 18'' x 23'', 25/BX, White, QUAR5121, Sturdy, jumbo envelopes offer a super-strong Tyvek construction and a convenient Flap-Stik closure. Great for storing artwork, plates, negative, maps and blueprints. Heavyweight envelopes won?t rip, tear or puncture. Much stronger and more secure than paper envelopes. Moisture-resistant. Environmentally safe. UPC 85227151216