This is a cup which has two optional designs. The small one is about 350ml whose height is 19.5cm while the big one is about 500ml whose height is 23.5cm. Both of them have a diameter of 6.7cm. Vehicular cup design makes it convenient and comfortable while elasticity button makes it safe and creative. There are no joints on the cup and the cover can be taken down to wash. The siftproof silica gel in cover makes the cup stay in bag. There are four optional colors you can choose which are white, green, blue and purple/pink. The colorful package shows it’s different and unique.