Thick Poly Mailers 14.5” x 19” 20 Count Pink New Large, thick-duty poly mailers that are lightweight, waterproof, tear-resistant, and self-sealing. Ideal for shipping clothing, blankets, shoes, plush, linens, and other bulky items. Strong adhesive closure keeps packages secure during transit. #PolyMailers #ShippingSupplies #SelfSealing #SmallBusiness #PackagingSupply