Baby Blue Postage Poly Mailing Bags 17x21" (431x533mm)
Strong baby blue mailing postal bags, size 17"x21" (431mm x 533mm), with 40mm 'peel & seel' lips. These are premium quality bags, co-extruded and made from 100% virgin polymer. All our mailing bags are fully opaque - items placed inside the bags are not visible through the film. Perfect for mailing your items at a cost efficient price, while maintaining great presentation.