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About the Product
nylon
Size: 23*17*42 cm / 9*7*16.5 inch. Capacity: 12L. Material: high quality nylon fabric,durable,breathable,waterproof,tear-resistant.
The design of hydration backpack reflective makes you travel safer at night.
Breathable shoulder straps,provent the items inside from being wet.Adjustable sternum strap, and cool mesh padded back.
Perfect for hiking,cycling,camping,climbing,biking,running,riding or taking with you for the day.
Peter von Panda 
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