Key features

• •【PERFECT SET】: Included 3 Liter BPA FREE food grade hydration bladder. Every Lunidry waterproof nylon backpack is equipped with adjustable straps, heavy-duty and invisible zippers, shoulder straps and a safety reflector on the front of the backpack, which have super durability and reliability for daily use.
• •【KEEP LIQUID COOL UP TO 4 HOURS】: With the special thermal insulated bladder compartment, 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 front stretch pocket allows you to pack more things while hiking, running, cycling, outdoor sports, etc.
• •【LEAKAGE PROOF WATER BLADDER 】: Removable insulated hydration hose with suck mouthpiece, it's simple to drink, pull the rubber mouthpiece out and the water comes right out. The large opening makes it easy to add ice cubes, clean and dry. There is even a clip on the right shoulder strap to help secure the bladder hose.
• •【PERFECT OUTDOOR BACKPACK】: If for some reason you are not satisfied with Lunidry Hydration Backpack, please feel free to contact us right away to get a new Lunidry Hydration Backpack or free bladder.