Hydration Pack Backpack, Water Backpack with 2L Bladder , Backpack Hydration Bag 2 In 1 for Hiking, Cycling, Running, Rock Climbing and Outdoor Activities Ultra-Light Helmet Bag

【2L Hydration Bag】 The 2L hydration bag can be taken out of the backpack for easy cleaning, the rubber mouthpiece has a simple on-off valve, when you drink water, just pull it up, gently bite down the mouth piece, the water sucked into the mouth., 【Unique Design】The backpack includes 2 layers and 1 mesh pocket, which can hold a 2L hydration bag, wallet, mobile phone, keys and other personal items. The elastic mesh strap on the lower part of the bag allows you to fasten the bicycle helmet., 【Ergonomic Design】This water backpack is specially designed for outdoor sports such as cycling, running, hiking, etc. It has comfortable padding in the shoulder and back area. The front is designed with reflective strips, making it safer at night., 【Safety and Health】Our hydration backpack is made of high quality materials. Convenient for hydration and storage when you're outdoors. Whether it's a hydration bag or a backpack, it can be easily removed and washed to keep it clean and hygienic., 【Wide Range of Users】Our adjustable trekking backpack with hydration bag is suitable for everyone. The hose can be attached to the shoulder strap, and the waterproof fabric makes it easy to protect all your belongings even in the rain.