Lunidry 15L Hydration Backpack with 3L Water Bladder, Trail Running Bag for Women Men Hiking Cycling Marathon Mountain Bike, Adjustable Size System

【PERFECT SET】: Includes 3 litre BPA-free food grade hydration bladder. Each Lunidry waterproof nylon backpack is equipped with adjustable straps, sturdy and invisible zippers, shoulder straps and a safety reflector on the front of the backpack, which have exceptional durability and reliability for everyday use. 【KEEP LIQUID COOL UP TO 4 HOURS】: With the special thermal insulated bladder compartment, the Lunidry hydration pack keeps your liquids cool for up to 5 hours, at least 4 hours. It is guaranteed that you can freely drink ice water while running, hiking, mountain biking and climbing. 【MULTIPLE STORAGE COMPARTMENT】: Includes 2 deep pockets and 1 mesh pocket, enough space to store clothes, phones, wallets, keys, snacks, etc. The expandable front pocket allows you to store more things during hiking, running, cycling, outdoor sports, etc. 【Leak-proof water bladder】: Removable insulated hydration hose with mouthpiece, it is simple to drink, pull the rubber mouthpiece and water comes out directly. The large opening makes it easy to add clean and dry ice cubes. There is even a clip on the right shoulder strap to help fix the bladder hose. 【PERFECT OUTDOOR BACKPACK】If for any reason you are not satisfied with Lunidry Hydration Backpack, please feel free to contact us immediately to get a new Lunidry hydration backpack or free bladder.