Laudri Shop Collapsible Silicone Water Bottle from is Flexible, Foldable, 100% Silicone and Easy to Clean Foldable and rollable: Designed to stand upright when full and can be folded, rolled up, or laid flat when empty. Retainer Strap: The retainer strap is made of the same silicone and can be used to hold the bottle in rolled position. Washable: Dishwasher safe on the top dishwasher rack. Easy to wash by hand as well. Freezable - keeps drink cold for hours