Hydration Pack Backpack with 3L Bladder

Hydration bladder is made of EVA, BPA-Free and no smell and sealed without leakage. The pack have thick insulated layer keeps your liquid cool for up to 4 hours. The 3L liner inside detaches from the backpack for easy cleaning and assembly. Internally the hydration pack contains a separate pocket for other items, such as a phone, first aid kit, and snacks. Suitable for long term use, easy fill water up, no need to open backpack pocket.