Water Bottle Gift Set This Serendipity gift set is an outstanding way to rehydrate! Packaged in an eye-catching blue gift box with a bow on top, this set comes with two 16 oz. 18/8 stainless steel vacuum-sealed water bottles in Blue. Keeps drinks hot for 12 hours and cold for 24 hours. Condensation free. U.S. Xpress logo on front.