• 1. Folding design, unique folding design, can be folded when empty bottle, can save 50% space. Before folding: 550ml, after folding: 200ml
• 2. Leak-proof design, 360 degrees of rotation does not leak, the cup pouring, inverted also do not worry about leakage.
• 3. Large caliber design, portable water anytime and anywhere.
• 4. Hook handle, climbing buckle design, can freely hang backpack, completely release your hands, travel more convenient.
• 5. Food grade silicone, non-toxic, tasteless, safe.