Can be folded to 20% of the original volume, save space, suitable for pockets, backpacks, do not take up any space.
Safety and environmental protection: made of food-grade silicone and food-grade PP material, does not contain BPA, BPS, PVC, and other harmful chemicals. Capacity and suitable temperature: the maximum capacity of the cup after opening is 600 ml. It can withstand the temperature range from -50' to 200' with cold resistance and high-temperature resistance. It can be used as an outdoor portable drinking cup, large capacity cold and hot water storage cup for children's outdoor recreation, portable compressed water cup for travel and mountaineering, compressed water cup for business office, etc. Reuse, environmentally friendly, non-polluting, drinkable coffee easy to clean.