These open-end expansion mailers are made from durable DuPont Tyvek material, ensuring your items are protected during transit. They feature a #13 1/2 cheese blade flap for secure sealing and a convenient Redi-Strip closure for easy sealing without the need for additional tape. Perfect for shipping documents and other flat items.
Quality QUAR4611 Expanding Mailers, 10x13, Tyvek, 25box, White