2 Liter Backpack Water Bladder Bag BPA Free Outdoor Hiking Cycling Hydration Bag Camping Running Back Soft Flask Water Bags|Water Bags ?2 Liter Water Bladder?The 2 liter water refill bag has a largest opening, which can help you fill/refill water quickly, even without taking it out of the refill bag. The 9.6cm spin-on bottle cap is easy to remove. Due to the large opening, it is also wide enough for the hand or bottle brush to enter the internal water sac and clean. The interior of the reservoir is smooth, which is good for health and is very easy to clean. ?High Quality Material?Made of high-quality PEVA flexible food-grade material. Adopting double welding edge banding technology greatly improves the durability of long-term outdoor use. The water bladder has passed the air pressure test and is fully pressure resistant. Can withstand a wide range of temperatures from -20 degrees Celsius to 51 degrees Celsius. ?Leak-Proof Hydration Bag?The water pipe adopts automatic locking design, which is convenient to connect and disconnect. The hose connector with locking mechanism ensures no leakage. No need to connect the pipe, you can easily and quickly refill the water bladder without worrying about it leaking. If the bite valve is not pressed, no water will flow out even if the pipe is connected. ?Innovative Bite Valve?136 angle bite valve hydration helps you quickly drink more water with each sip. The smaller the bending angle, the more effective the water flow is. It is made of food-grade materials, tasteless, and does not contain BPA. The push/pull design of the valve allows you to shut off the water flow and pull it with your teeth when needed to start the water flow again. The TPU tube provides easy drinking, and the dust cover ensures that you can drink clean water outdoors. ?Multi Functions?Our water bladder bag helps you stay hydrated in outdoor activities. It is a good choice for running, skiing, hiking, riding, camping, cycling, climbing, bicycling, etc. It is a must have for sports enthusiast and an ideal gift choice. Material: PEVA Color: green Dimensions: 36 x 17 cm Straw length: 100 cm Product capacity: 2L Notes: 1.Due to the difference between different monitors, the picture may not reflect the actual color of the item. 2.Please allow slight dimension difference due to different manual measurement. Thank you for your understanding. 1 x Water bag