RUPUMPACK Insulated Hydration Backpack Pack with BPA Free 2L Water Bladder - Keeps Liquid Cool up to 4 Hours, Prefect Outdoor Gear for Hiking, Running, Cycling, Camping, Skiing, 15L

-Keep Liquid Cool For Hours: Designed with an inside thermal insulation compartment that keeps your liquid cool for up to 4 hours, this hydration pack is absolutely the hydration pack for hiking, cycling, running. -Lightweight and Sturdy: Weights only 1.06 lb, this pack comfortably lightens your load during any outdoor adventures. Thanks to the wear-resistant nylon material, all your belongings in the pack are safe from being damped and scratched. - Multi-Functional Storage: With a capacity of 15L and multiple pockets, this pack can perfectly meet all your storage need, providing the most enjoyable and comfortable experience for hikers and cyclists. -2L Leak-Proof Water Bladder: A 2L taste-free bladder is included to carry a good amount of water during outdoor activities. The silicone bite valve with easily accessible ON/OFF valve ensures no leakage through the entire trip. The wide opening is designed for easy refilling, cleaning and drying. Guidance of RUPUMPACK: If you have any quality problems within ONE YEAR, you can feedback to us at any time for after-sales service.