1. Space-saving, collapsible design: Our innovative silicone water bottle features a smart, collapsible design that is only 3.8 cm thick when empty – perfect for storage in backpacks, handbags, or car cup holders. The flexible body easily expands to 350 ml, making it the ultimate portable hydration solution for travelers and commuters. 2. Food-grade silicone material: Made from high-quality, BPA-free silicone, completely odorless and tasteless. The durable yet flexible material withstands daily use without cracking or retaining odors, while being gentle enough for children. Meets all international safety standards for materials in contact with food. 3. 100% leak-proof. Features a secure screw cap with a silicone seal that completely prevents leakage – no more wet bags. The airtight design keeps liquids fresh and allows you to confidently toss them into your gym bag or suitcase without worrying about spills during travel or exercise. 4. Ultra-light and easy to carry, weighing only 160 g, this is the lightest reusable water bottle you can find. The collapsible design meets TSA liquid restrictions when empty, making it perfect for air travel. Includes a practical carrying loop for attaching to backpacks. 5. Versatile hydration all day, from morning coffee to post-workout water. This bottle is perfect for hot (up to 100 °C) and cold (-40 °C) liquids. The wide opening accommodates ice cubes and makes cleaning easy. Ideal for the office, gym, hiking, cycling, or as an emergency water reservoir. Show more