750 ML(25 ounce) tyre shape large capacity silicone folding water cup,this unique canteen sports bottle expands when filled, and when empty can be easily folded up to a compact size. Available with 25 fl. oz (750ml) capacity, designed with volume and portability in mind.An ideal companion for fitness activities, the gym, sports, camping, hiking and much more. 3.07" Diameter x 9.29" H