Description Specifications: Material Waterproof Nylon Size 28x42x12cm/11×16.5×4.7inch Color Blue / Grey / Black Weight 470g Capacity 25L Features:External USB interface design, easy to link mobile phones.Comfortable and wide hand design, easy to handle, easy to remind.Straps with strong buckle, easy to adjust shoulder length, firm and durable.Two-way zippers design, smooth and easy to remove objects.High-density oxford fabric has the features of scratch resistance and abrasion resistance. Package Included:1 × USB Charging Bag(The little bag is not included.)