?Perfect after sale?: N NEVO RHINO hiking hydration backpack quality guaranteed. If you have any problems, please reach out to us, we will reply within 24hrs. (We provide replacement services for quality problems within 1 year and lifetime customer service). ?Multiple Usage?: Our hydration backpack 3l bladder is your perfect choice for cycling, camping, running, hiking, music carnival, commuting. This versatile backpack has all the gear you need on the go. N NEVO RHINO focuses on outdoor sports backpacks, and vitality blooms from here. ?Multiple Storage Options?: Water backpack for hiking with water bladder compartments of different sizes and functions assure you can bring everything you need for a trip! 3 zipper compartments can store your clothes, iPad, purses, snack, etc. 2 mesh pockets on both sides are perfect for a kettle and an umbrella. And 2 waist pouches on the belt can hold your valuables such as credit cards, phones, keys, etc. ?Insulated Bladder Compartment?: Hiking backpack with water bladder with the special thermal insulated bladder compartment, hydration packs keep your liquids cool for up to 5 hours to guarantee that you can freely drink ice water. ?Large Water Bladder?: Insulated hydration backpack's overall capacity is 15L+3L water bladder, the water bladder is made of PEVA material and does not contain BPA. Durable, insulation, kink-free sip tube, and push-lock cushioned bite valve; Large 2-inch (5 cm) opening easy to add ice and clean and dry, just bottom up and it will dry on its own. ?Professional Upgrade Design - Ergonomic?: The hydration pack backpack is lightweight and breathable, ventilated mesh padding is added to the shoulder straps, waist straps, and back area to ensure the comfort of the pack. This water backpack can meet your all-day-long hydration needs. The 3l hydration bladder backpack has 2 reflective strips and 1 reflective strap that can safeguard your riding. Imported. 100% Nylon.