These durable open side expansion mailers are made from high-quality DuPont Tyvek material, ensuring superior protection for your contents. Each mailer features a #13 1/2 size, a square flap, and a convenient Redi-Strip closure. Perfect for sending documents, presentations, or other flat items securely. Packaged with 100 mailers per carton.
Quality Park Products QUAR4610 Tyvek Open Side Expansion Mailers, 10x13, White