BYO Water Bottle Bag, 18 to 24-Ounce, Black One Water Bottle Bag Made of Neoprene and Polyester; vinyl and PVC free Holds one 12-18 ounce bottle; convertible clip strap; reverses to an easy-to-hold handle; insulates up to 4 hours Machine wash cold and drip-dry; stain resistant Measures 4-Inch wide by 4/10-Inch by 11-7/10-Inch