The collapsible travel cup is made from food-grade silicone, non-toxic, and no odor. With heat sleeve, easy to use and clean. Open the hole when you collapse the cup and slip back on when expanded the cup. With a hook, it can be easily carried with your pocket, bag, suitcase, and lunch bag. Silicone cups are for cold drinks, Tea, Coffee, and other hot beverages. Also great for outdoor camping, hiking, office, or sports events. Also, you can use it for holding fruits or nuts. The capacity is 12oz(350ml). before folding, Height 5. 6in