Product description Size: unfolded 140*90mm, folded 50*90mm Color: green, gray, blue Material: food grade silicone + food grade PP + aluminum alloy Package content: 1pcs silicone foldable water cup 1. Environmentally Friendly Material Soft and comfortable, BPA-free, food grade silicone material, healthy and environmentally friendly, not easily deformed, easy to use. 2.Capacity and Thermal Stability Maximum capacity of 350ml, can withstand a temperature range of -50C to 200C. 3.Compact and Stable Performance Don't be afraid of water leakage and falling, stable and not dumping, there is a stable and insulated cup ring in the middle of the cup, anti-slip, no need to worry about unsafe burns. 4.Folding Compression Ring Design Folding creative design, light and easy to carry. D-shaped hanging hole design, beautiful, convenient to travel when hiking, can be hung in clothes or backpacks. The cup lid fits snugly for dust and hygiene. 5.Easy to Use Widely It can be used as an outdoor portable drinking cup, children's outdoor play large-capacity hot and cold water storage cup, travel mountaineering portable compression water cup, business office compression carrying water cup, etc., can be used repeatedly, environmentally friendly, pollution-free, drinkable coffee, Juice, tea, easy to clean.