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. BPA-free, food grade silicone material, healthy and environmentally friendly, not easy to deform, easy to use. ③. 【Capacity and thermal stability】 Maximum capacity 350ml, can withstand a temperature range of -50°C to 200°C. ④. 【Density】 Drop-resistant and waterproof. Stable, not easily thrown away. There is a stable and insulated cup ring in the middle of the cup, no slipping, no need to worry about burns. ⑤. 【Foldable compression ring design】 Foldable creative design, light and convenient to carry. D-shaped hanging hole design, beautiful, convenient for travel and hiking, can be hung on clothes or backpacks. The cup cover is good for dust prevention and hygiene. ⑥. 【Easy to use and widely used】 Can be used as a portable outdoor drinking cup, children's outdoor games large-capacity hot and cold water cup, travel mountaineering portable compressible water cup, business office compression water cup, etc., can be reused, easy to drink, environmentally friendly to clean.