Insulated Mountain Bike Water Bottle BPA Free Cycle and Sports Squeeze Bottle with Dust Cover Features: 1. Tri-layer Insulated Water Bottle: The updated insulated water bottle features triple wall insulation, keeping your liquid cooler two times longer. 2. High-flow and Self-sealing Cap: The surge cap maximizes flow rate and self-seals to eliminate spills and splatter.The one-hand squeeze to squirt water in your mouth, valve seals when closed.  3. Suitable Size: This bike water bottle is designed for mountain and gravel bikers. It fits securely in a variety of MTB bike cases, backpack pocket or other most bottle holders, easy to pull in and pull out. 4.High-quality Material: This bike water bottle is BPA-free, and made of food grade safe PP plastic. Toxin free and healthy. Light, flexible and durable. 5. Easy to Clean: The dust cover keeps dirt out. The innovative surge cap is two pieces, cap and valve, simply twist and pull for complete access cleaning.  Specifications: Color: Blue/Purple/ Black/ White/ Green/ Orange(optional) Material: PP Plastic Capacity: 600ML Temperature Range: -10 ℃~60 ℃ Size: 25.2 *7.3 * 7.3 cm/ 9.9 * 2.9 * 2.9 in Weight: 67g/ 2.4oz Package Size: 25.5 * 7.8 * 7.8 cm/ 10 * 3 * 3 in Package Weight: 150g/ 5.3 oz Packing List:  1 * Insulated MTB water bottle 1 * Dust cover 1 * Bottle brush Notes: 1. This bottle can be cleaned by water. Steam and dishwasher are not safe. 2. The middle insulated layer is made of aluminum foil, which will have some indentation according to the production progress. It does not affect the use.