S’ip by S’well Insulated Stainless Steel Hot Cold 15oz Water Bottles * Sip your drink all day long! These insulated bottles keep your drinks cold for up to 24 hours and hot for up to 12 hours. * The bottles feature a leak-free top for added spill protection. * Bottles are composed of double-walled, insulated 18/8 stainless steel. * Don’t forget, your S’ip by S’well is not dishwasher safe – hand wash only! * Dimensions: 10 inches H x 2.9 inches W x 2.9 inches.