Quality Park Products QUAR4510 Tyvek Open End Expansion Mailers, 10x13, White

These Tyvek open end expansion mailers are designed for secure mailing. Constructed from durable DuPont Tyvek material, these mailers feature a flip-stik flap with a Redi-Strip closure for easy sealing. Perfect for a variety of shipping needs, the mailers are sized at 10 x 13 inches and come in a crisp white color. Each carton contains 100 mailers, making them a great choice for businesses and personal use.