[Product Information]

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High Quality Material :Made from lightweight,breathable mesh back panel and high-quality nylon fabric ,that's very lightweigh comfortable and durable.
Hydration bladder included: BPA free and FDA approved. Our water bladders passed pneumatic pressure test, 24 hour swing test and 24 hour vibration test. It is completely pressure-tolerant and leak proof for carefree biking, running, hiking and other outdoor adventures! Before your first use rinse out your bladder with lemon juice or mild soap and warm water to remove any residues.
Adjustable straps:Adjustable shoulder straps,so you can make the backpack fit you perfectly and keep the pack from moving,Wide webbed shoulder straps help to reduce the burden of your shoulder.
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.
Our guarantee: If for any reason you are not 100% satisfied with Hydration Pack, please let us know and we will immediately refund your purchase price - no questions asked.