HandStand Cup / easy way to use cup

To drain the cup you don’t have to put it on the shelves but also can do it by itself. You can put your cup anywhere just for free.The handstand cup is a cup that can stand upside down and drain the water by itself. The design of the curve can keep it clean,so that the user won't attach the dirty surface after draining the water .The handstand cup can also isolate the heat from hot water. It will be more safe for user to using it when they’re drinking hot water