Ideal for mountain bikers, road cyclists, and outdoor lover who demand durability, reliability hydratation solution for terrains Insulated Bike Water Bottles features 3 layer insulation for up to 5 hours of cold retention and a high flows spouts, ensuring hydratation during intense cycling During cycling, endurances sports, or high intensities workouts with sweat resistant insulation This leak proof bottles includes a wide 5cm mouthes for easy cleaning and a squeeze activated valves for controlled water release Its crosses flows vented valves prevents spills when inverted, while light weight polypropylenes construction ensures easy portability and compatibility with standard cycling gear