What is "Hunu Folding Tumbler"? This silicone tumbler is designed in London, UK as a cup that feels like a smartphone or wallet or keys. Easy to fold and carry in your bag or pocket for quick access when needed. (The height measured when folded, is 1.2 inches (3 cm). ) With the strong desire to reduce disposable plastic, the founder of Vince Dickson and Megan Williams, the product has already been sold in more than 70 countries around the world. Suitable for both hot and cold drinks For hot drinks, you can hold the cup without worrying about the heat. Spill proof even if it falls. If the lid is firmly lid, the drink inside the cup will not spill when it falls over. Plus, the cup stands up securely on its own. Please note that the product is not designed to fit your drink in a bag while you put it in like a water bottle. Compliant with Food Sanitation Law This product complies with the Food Sanitation Law set by the Ministry