Quality Park Tyvek Jumbo Survivor Envelopes - Catalog - 18" Width x 23" Length - 18 lb - Self-sealing - Tyvek - 25 / Box - White

Product Description

Sturdy, jumbo envelopes offer a super-strong Tyvek construction and a convenient Flap-Stik closure. Great for storing artwork, plates, negatives, maps and blueprints. Heavyweight, moisture-resistant envelopes won't rip, tear or puncture. Envelopes are much stronger and more secure than paper envelopes.