【475ml】: The 475ml volume design is just right, whether it's waking up with the first cup in the morning, replenishing water during a nap in the afternoon, or replenishing energy during outdoor activities, it can all be done in one go without frequent refills, enjoying a smooth drinking experience. 【Portable】: This water bottles adopts advanced folding technology, which can be easily folded and retracted. After folding, the volume is reduced sharply, making it easy to place in any corner of the bag. Specially designed sturdy and durable hooks that can be easily attached to backpacks, belts, or other equipment with just one click, freeing up hands and eliminating the need for frequent retrieval and placement. 【Material】: This silicone water bottle is made of food-grade silicone material. Both hot and cold drinks can be safely stored to meet diverse dietary needs. Rinse with clean water to clean thoroughly, greatly saving cleaning time and energy. 【Suction Nozzle】：The suction nozzle of this running water bottle adopts a humanized design, allowing the liquid to enter smoothly and reducing the risk of splashing. 【Multiple Occasions】：Whether on busy city streets, secluded mountain trails, or distant ship decks, this reusable water bottle can handle them with ease, providing the necessary hydration anytime, anywhere.