Brand: NaturehikeModel NO.: CNK2450XB023Name: Oxygen Series Casual BackpackColor: Black, Light Gray, Blue, Deep GrayWeight: About 680g/610gSize: 47x20x14cmCapacity: 20LBlack and Light Grey Material:Fabric: 100% Polyamide FibersLinings: 100% Polyamide FibersBlue and Deep Grey Material:Fabric: 90% Polyamide Fiber, 10% Polyester FiberLinings:100% Polyamide Fibers