Partners BrandView Poly Mailers are the perfect bag for mailing catalogs and brochures. ThePoly front allows for easy viewing of contents while the white poly backing is perfect for address and postage. These mailers feature a self-seal closure and a double perforation for easy opening. Mailers measure and are sold 100 per case. Made from tear-resistant poly. Mailers feature a self-seal closure. Perfect bag for mailing catalogs and brochures. Back of the bag is opaque for address information and postage. Front of the bag is clear for viewing contents. Double perforations for easy opening.View Poly Mailers provide exposure to promotional contents inside.