1. Outdoor folding kettle: The sports water bottle can be folded freely, the folding size is 150 * 70mm, the unfolding size is 250 * 70mm, you can change the size according to your needs, easy to carry.2. Healthy and safe portable water bottle: The body of the cup is made of food-grade silicone, which is soft and durable, safe and tasteless, and a reusable drinking container, which is easy to store cold or hot drinks.3. One-touch switch: just press lightly, open the lid to drink, the lock can be reversed to lock, very safe.4. Leak-proof silicone pad: food-grade silicone leak-proof pad design to prevent water from flowing out. The body of the cup is made of food-grade silicone, which is soft and durable, can be folded freely, safe and environmentally friendly.5. Applicable scenarios: very suitable for outdoor activities such as travel, gym, yoga and camping, hiking, cycling, mountaineering, skiing and surfing..