Super strong, the Envirosax kids bag 4, wingnut, has been load tested to hold more than 44lbs! Made from lightweight strong Polyester these eco-bags are built to carry heavy loads. Water resistant - with reinforced seams. A great replacement for plastic bags. Each bag comfortably holds the equivalent of two to three plastic grocery bags A variety of uses, from a grocery shopper, travel bag, beach bag, art bag, knitting bag, Halloween bag, a great all rounder! The perfect multi use bag - Makes a great Christmas or Holiday gift. Perfect as bachelorette party favors gifts for women and girls. A stylish everyday accessory！ Folds up real small to a 2" little packet - weighing in at just 1.4oz. Each Open bag measures 17.5 x 16.5 inches. Easy to fold up and carry in your purse, handbag or school bag.