[Portable Collapsible Water Bottle] The collapsible water bottle was designed to fit in your pocket, purse, backpack, or briefcase. Unlike rigid water bottles, it can be folded or flattened and tucked away. This means it goes more places and fits in tighter spaces than any other bottle. [Perfect for Travel & Sports] The shatter-proof, flexible and durable collapsible silicone water bottle is space-saving and easy to clean, it can be carried everywhere, you can put it to backpack or gym bag. Ideal for travel, gym, bikes, running, camping, fishing, hiking, climbing, yoga, beach, outdoor sports. [Lightweight and Convenient] The 500mL 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. Allows you to hydrate your body at any time and any where. [Durable & Temperature Resistant] These foldable portable water bottles are made of rugged silicone material, which has excellent heat resistance and can withstand temperatures from -50 to 200 C. 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. [Healthy & Safe Material] Made of thick and flexible pure food-grade silicone, the reusable water bottle is non-toxic, harmless, healthy and environment-friendly. It maintains its sturdy feel for a comfortable drinking experience.