BUILT NY Designer Neoprene Clip-On Water Bottle Bag 20- to 30-ounce, Black (30Z-BLK) This stretchy neoprene bag keeps a water bottle or other beverage cool for up to 4 hours (depending on the outside temperature) and protects bottles from breaking during travel. Tote stores flat when not in use, but expands to fit the bottled beverage of your choice. Includes a built-in corkscrew holder. Soft-grip handles and convertible clip strap make it easy to carry. Velcro closures keep bottles securely inside. Its PVC-free, vinyl-free, stain-resistant and machine-washable in cold water (drip-dry). One Bottle Tote Made of neoprene, the wetsuit material; vinyl and PVC free Classic Black; holds one 20-30 oz. bottle; convertible clip strap; insulates up to 4 hours Machine wash cold and drip-dry; stain resistant Measures 4-4/10 inches wide by 12-2/10 inches long by 2-4/10 inches deep