Portable: Foldable design, can be folded to 20% of the original volume, save space, suitable for pockets, backpacks, and suitcases, do not take up any space. Enjoy your favorite hot and cold drink anytime, anywhere.safety and environmental protection: made of food-grade silicone and food-grade PP material, does not contain BPA, BPS, PVC, and other harmful chemicals. All the accessories are environmental protection products. Using reusable cups can help save the planet.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.Easy to use: 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, juice, tea, easy to clean.Versatile: These foldable travel cups are versatile. It can be used from home to outdoor travel and hiking, to children, to adults.