Quality Park™ Tyvek® Heavyweight Jumbo Envelopes Lightweight envelope saves on postage. Ideal shape and design for negatives, art boards, blueprints. Won’t abrade or chemically affect contents. Perfect solution for sending or storing large items. Clean, bright white color presents a professional image. Envelope Size: 18 x 23; Envelope/Mailer Type: Large Format; Closure: Flap-Stik® Self-Adhesive; Trade Size: NA.

Product Specifications  Manufacturer #: QUA-R5121 Product Details Quality Park™ Tyvek® Heavyweight Jumbo Envelopes, 18x23, White, 25/Box Closure: Flap-Stik® Self-Adhesive Color(s): White Custom Imprint Included: No Envelope Size: 18 x 23 Envelope/Mailer Type: Large Format Expansion: No Exterior Material(s): Tyvek® Quantity [Nom]: 25 per box Security Tinted: No Weight [Nom]: 18 lb UPC: 50047614151211 Keywords: 18 x 23, Envelope, Envelopes, Heavyweight, Jumbo Envelopes, Mailer, Open End Envelopes, QUALITY PARK, Self-Seal, SURVIVOR, Survivor Envelopes & Mailers, Tyvek, Tyvek Envelope, Tyvek Envelopes & Mailers, White