●【High Quality Material】This folding cup is made of food grade silicone, very practical, easy to clean, long lasting, safe and environmentally friendly. Continuous use ●【High and Low Temperature Resistant】This folding cup is made of thick silicone material and can withstand temperature ranges from -40 to 200 degrees. You can pour hot drinks without burning your hands. However, please do not put it directly on fire ●[Sealed and Leak Proof] Made of quality material with leak-proof cover. Straw insert design, more convenient Foldable for compact storage ●(Portability) With a capacity of 11.8 fl oz (350 ml), you can insert a straw into the included cap. It is compact, so it can be stored in your pocket or bag when not in use ●【Multi-Purpose】Suitable for outdoor activities, camping, travel, home, picnic, cycling, fitness, yoga, climbing, hiking, and other occasions