Note: The package contains only one water bottle. Portable: Foldable design, able to fold from 500ml to 220ml, space saving, can fit into pockets, backpacks and suitcases without taking up any space. Enjoy your favorite hot and cold beverages anytime, anywhere. Safety and environmental protection: Made of food-grade silicone and food-grade PP materials, it does not contain harmful chemicals such as BPA, BPS, PVC, etc. Using reusable cups helps save the planet. Capacity and suitable temperature: The maximum capacity after opening the cup is 500ml. Withstands a temperature range of -40C to 230C. Easy to use: It can be used as outdoor portable drinking cup, children's outdoor leisure water storage cup, travel mountaineering portable compressed water cup, business office compressed water cup, etc.