Insulated Hydration Pack Backpack With 3L Bpa Free Leak-Proof Water, Climbing Product 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 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 mouth piece 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. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!