... 1.Flexible,freez,hot water safe 2.Drinking,ice bottle,rest bag 3.detumescence,safe collapsible folding nozzle water bottle 1.Flexible,freez ... ,hot water safe2.Drinking,ice ... ICE BAG USAGE:( Detumescence, cooling) hot water sameStep 1:Put ice cube into bottle Step 2:Squeezale bottle let air out and ...