The outer layer of the water bag backpack is made of 600D Oxford waterproof fabric and the inner layer is made of 210D nylon waterproof fabric. It has a top carry handle, front carry handle, adjustable sternum strap, and back insert pocket. The back has breathable cotton, and the back insert pocket has a magic tape design, and the connection is removable. The outer pocket can be removed from the insert magic tape, the capacity is 3L, and can withstand up to 60 Celsius degrees hot water.
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