Rectangle Collapsible Water Bottle. Your very own portable water bottle. This collapsible water bottle lays flat to conserve space, Fold-n-go, add to your purses, back pack, or golf bag. Will easily fit or clip with the carabiner to pocket or belt loop. A great item for any outdoor event. Reusable, Simply fold or roll, and flattened when empty. Dishwasher safe, washable in the top rack of your dishwasher. Freeze, simply add liquid and put in freezer. Identify, write your name in permanent ink on white space.