WEST BIKING 620ML Bicycle Water Bottle Portable Outdoor Cycling Water Cup, Color: Black Green Gradient1. Capacity: 620ml 2. PP healthy material + food grade silicone nozzle, safer to use 3. Gently bite the spout to pull it out while riding, press the bottle body at a proper distance from the mouth, and squeeze it with one hand for easy use 4. 5. 2 cm wide mouth design, easier to clean 5. Comes with a dust cover, clean and dust free, keep the spout clean 6. Sealed spout, no water leakage when inverted 7. The groove design of the bottle body is easy to