LEAK-PROOF AND EASY-TO-CLEAN: The patented sealing screw cap is used to eliminate leakage and splashing and effectively prevent the bottle from accidentally opening. The wide-mouth design makes it easier to clean the inside of the collapsible soft water container or add ice or lemon to it. Cold and heat resistance: This product has excellent heat resistance and can withstand temperatures from -50 to 200C. It has leak-proof and impact-resistant properties and is very suitable for all activities and sports. Even if it is squeezed or pushed, it will be tightly sealed. Even if you put it in a backpack or computer bag, it will not leak. Lightweight and convenient: The 20oz(600mL) portable silicone bottle is a foldable type. It takes advantage of the characteristics of soft silicone and can be folded compactly after drinking, making it easy to carry. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don''''''''t hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it