Insulated Mountain Bike Water Bottle BPA Free Cycling and Squeeze Bottle with Dust Cover

1. Tri-layer Insulated Water Bottle: updated insulated water bottle features triple wall insulation, keeping your liquid cooler two times longer.;2. High- and Self-sealing : surge maximizes rate and self-seals to eliminate spills and splatter. 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 . Toxin free and healthy. Light, flexible and durable.;5. Easy to : dust cover keeps dirt out. innovative surge is two pieces, and valve, simply and pull for complete access cleaning.