HIGH QUALITY MATERIAL - SKL Hydration BackPack lightweight, adjustable, comfortable?breathable mesh back panel and high-quality nylon fabric, it's your best choice for a full day sports and outdoor activity or nightly adventure.
2L HYDRATION BLADDER INCLUDED -The high quality hydration bladder is made of EVA material which is BPA-free,tasteless;Easy and simple to Drink, just pull the rubber mouth piece out and the water comes right out. Push rubber mouth piece back to close, You don't have to bite anything;
ADJUSTABLE STRAPS - With adjustable shoulder straps,the backpack fit for men, women, and youth. Wide webbed shoulder straps help to reduce the burden of your shoulder which means you can wear this pack for hours
TWO LAYERS AND REFLECTIVE ARTICLE DESIGN - One for the liquid container, and the other for keys, compass, phones, etc .Reflective article design for better safety.
Satisfactory Customer Service: Any questions please feel free to contact us 7*24 hours,it's our goal to offer the BEST customer service on Amazon!