100 Plastic Envelopes 350 x 450 mm + 40 Flap Opaque White Ripstop

100 White Opaque Envelopes A3 350 x 450 + 40 mm Adhesive Flap Plastic mailing bag, especially suitable for book mailing, A4 small thickness boxes for small and medium objects. A plastic envelope bag with durable closure, tear-resistant, withstands all tampering attempts. A waterproof envelope, your shipment will not be exposed to bad weather, the bag is 100% waterproof. An ultra-lightweight plastic envelope weighing only 13g.