200 Tri ex Grey Outer / Black Inner Polythene Mailing Bags 16" x 21" (400mm 525mm)

Made from quality strong recycled and durable polythene Tri Extruded (3 layers) with Grey Outer & Black Inner - Completely opaque Lightweight and waterproof - saving you postage costs Strong self seal strip - Giving you extra security Write directly on, use sticky labels or document enclosed wallets - Gives a proffesional finish