• The Water backpack is made of black 800D Oxford cloth material, which is dirt-resistant, can be waterproof and leak-proof, wear-resistant and scratch-resistant, the backpack back panel uses rebound soft padding, open the back panel Velcro to place the nylon TUP 3L water bladder, which can be stored with a capacity of 3 liters, in order to make the black water bag backpack can be more close to the back to make the backpack to reduce the wobbling, which can be adjusted in the shoulder straps.
• TPU 3L water bladder: food-grade TPU material, safe and anti-burst, can be filled with water from -20°C to 50°C, sealed without leakage, large capacity to meet the needs of the sport
• Comfortable & Lightweight: Weighing only 12 ounces (350 g).Water bag backpack is equipped with a water injection hose and a push-in bite valve, which is convenient for walking without the hassle of removing the backpack to fetch water, but drinking directly to replenish energy. Open the dust cover of the water pipe, bite the faucet with your teeth, and then gently suck out the drinking water with the force of your mouth.This Hydration Backpack is light as a feather, streamlined and easily adjust
• 【25 Liters Large Capacity】The Small Lightweight Hydration Backpack For Hiking allows to hold 25 liters of objects and equipment, 17.7*5.1*7.8 inch small body with large capacity. The multifunctional pockets of the hydration backpack can be used to carry outdoor items as needed, however, it won't feel heavy. Simply because the water bag backpack is only 15 oz.【Insulation】Water Hydration Backpack Insulation material compartment made of tin foil, assembled with 2 liters of TPU water bladder, insula
• 【High Flow Bite-Valve】Hiking backpack with water bladder 2L TPU water bladder features a double-layer heat-press seal for leak-proof and burst-proof protection, BPA-free food-grade materials, and a 5cm inlet that can be filled with water and ice for refrigeration. The manual on/off valve helps prevent leaks, and the food-grade spout bite valve allows for easy high-flow water flow for easy drinking, and drinking to your heart's content is the greatest joy of the outdoors.【SOFT & BREATHABLE】The li