KUYOU Hydration Backpack, Hydration Pack Water Backpack Vest with 2L Water Bladder Adjustable Lightweight Water Bag Hiking Cycling Rucksack Climbing Camping Running Bag for Men & Women

【Hydration Bladder Included】- FDA approved. It is completely pressure-tolerant and leak proof for biking, running, hiking and other outdoor adventures! Before your first use rinse out your bladder with lemon juice or mild soap and warm water to remove any residues.
【Comfortable & Reliable】- Adjustable straps help tailor the hydration pack to your needs. For bikers, the hydration fits perfectly between most shoulder blades, as to not catch on anything while biking or even hiking. Compared to traditional hydration pack, ours centers the weight on to your back rather than your shoulders, so it helps your keep more energy.
【How To Drink 】- Notice that the bite valve is the "bite and suck valve". Firstly, pull the valve in the "on" position. Then put it in the mouth, bite the groove gently with your teeth, sucking the valve at the same time. It will pop open and fluid flows.
【Two Layers & Reflective Strips Design】- One for the liquid container, and the other for keys, compass, phones, etc .Reflective article design for better safety.
【Versatility】- Internally the hydration pack contains a separate pocket for other items, such as a phone, first aid kit, and snacks.The hydration pack is your perfect choice for cycling, camping, running,music festival, rave , kayaking.