1. Product Description - Size: unfolded 140*90mm, folded 50*90mm - Color: green, gray, blue - Material: food grade silicone + food grade PP + aluminum alloy - Package Contents: 1pc convenient silicone foldable water cup 2. It is made of BPA - free, food grade silicone material, which is healthy and environmentally friendly, not easily deformed, and easy to use. 3. 【Capacity and thermal stability】 - It has a maximum capacity of 350ml and can withstand a temperature range of -50°C to 200°C. 4. 【Density】 - It is drop - resistant and waterproof. It is stable and not easily thrown away. There is a stable and insulated cup ring in the middle of the cup, which prevents slipping and reduces the risk of burns. 5. 【Foldable compression ring design】 - It has a foldable creative design, which is light and convenient to carry. It has a D - shaped hanging hole design, which is both beautiful and convenient for travel and hiking. It can be hung on clothes or backpacks. The cup cover helps keep out dust and maintain hygiene. 6. 【Easy to use and widely used】 - It can be used as a portable outdoor drinking cup, a large - capacity hot and cold water cup for children's outdoor games, a portable compressible water cup for travel and mountaineering, a compression water cup for business offices, etc. It can be reused, is easy to drink from, and is environmentally friendly to clean.