Survivor® 18 x 23 DuPont Tyvek Catalog Envelopes with Self-Seal Closure

Catalog - 18" Width x 23" Length - 18 lb - Peel & Seal - White - Tyvek - 25 / Box. Made with durable yet lightweight, 18 lb. DuPont Tyvek that's tough enough to resist punctures, tears and moisture during shipping. Perfect for shipping larger contents.