Drink holders are made of high quality waterproof material which can be used for a long time. Great for keeping your drink handy in the pools, hot tubs, lakes, oceans and more. Can be fully inflated within 10 seconds, effortless and quick. Cute shape will be loved by both adults and kids. About 7.9''(20cm) bottom diameter when inflated. Each inflatable drink holder can hold about a 12 oz- 15 oz Can. Works with almost any size beverage, so you will always have your drink by your side. Can keep a good balance, never tip over. 6" L x4 1/4"W