Envirosax Wanderlust Bag (#1) Polyester Dimensions: 19.5 inches x 16.5 inches 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 Rolls up and snaps shut to a compact 1" x 4" size making it ultra tiny to toss in your purse, pocket, or car