Envirosax Omnisax Rolling Stone Bag #2 Polyester Dimensions: 19.5 inches x 16.5 inches; 1.4 oz Ecofriendly reusable bag Great bag for carrying your things around in or taking to the grocery Lightweight polyester, portable, waterproof, and weighing just 1.4oz Reinforced seams, this surprisingly large bag can hold a weight the equivalent of two supermarket plastic bags