LIGHTWEIGHT & PACKABLE: Flexible design folds and rolls up when empty - securing with the buckled closure. CLIPPABLE: Side release clip allows you to easily attach the Rover to your pup’s collar, leash or a backpack. FREE STANDING: Stands sturdily on the ground when empty or full. STURDY DESIGN: Constructed with a reinforced rim and made of strong, abrasion resistant TPU and RF welded seams for superior durability and elasticity. EASY TO CLEAN: Wash by hand or in the top rack of the dishwasher.