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HIGH QUALITY HYDRATION PACK--Back lining and shoulder straps are all made of lightweight, breathable mesh nylon fabric, the hydration backpack can keep your back dry and comfortable for outdoor sports

And its double built-in waist straps improve its wear and tear resistance to ensure the packs life last longer

2L WATER BLADDER--It is great alternative compared to a water bottle

You dont need to carry too much stuff and make your normal backpack full of bottles when you are hiking/walking/running

This is very helpful for you, it makes feel less trouble carrying multiple water bottles and also saves your time and energy

COMFORTABLE ADJUSTABLE STRAPS-With soft shoulder straps,the adjustable hydration backpack suitable for men,women,and kids

Wide shoulder straps design with loop for hose setting help you to reduce the burden and keep you wear it for hours

When you tighten it against your body you barely no its there

EASY TO USE AND WASH--Its easy to fill the bladder with 2 liters of