Survivor Heavyweight 18 lb Tyvek Open End Expansion Mailers, #15, Square Flap, Redi-Strip Adhesive Closure, 10 x 15, White, 100/Carton (R4450)

Expandable mailer made with DuPont Tyvek material delivers the best possible protection at a shipping-cost-saving weight. Inserting and removing contents is easy because of its horizontal, open side orientation. Self-adhesive Redi-Strip closure provides a secure, peel-and-press seal. Clean, crisp look makes a professional impression. Heavyweight 18 lb Tyvek. Seam Type: Center; Flap Type: Square; Trade Size: #15; Security Tinted: No.