HYDAWAY Travel Case for HYDAWAY Collapsible Water Bottle Impact Resistant Foam Molded foam and fabric shell protects your HYDAWAY collapsible water bottles while traveling to your next adventure. HYDAWAY Infinity Clip (included) attaches to the bottle and the case for a comfortable carry or for fastening to a backpack or belt loop. The Travel Case is compact, lightweight, and features an easy-to-use zipper opening. One size fits both 21 oz. and 12 oz. HYDAWAY collapsible water bottles