The Widepac hydration system is ideal for hiking, cycling, camping and other outdoor activities. It is made of high-quality BPA-free polyethylene, which is tasteless and odorless. The bag is durable so it can withstand all sorts of adventures. Thanks to the innovative opening system, filling and cleaning the bag is easy. The wide opening makes the bag easy to fill and the Helix™ valve tube ensures leak-proof and drip-free use. It is equipped with the practical SQC™ system, which allows you to remove the bag from the backpack without having to disconnect the tube.