Features:-Made of oxford cloth, it is light and will automatically slide off when encountering water drops, can protect the items in the bag on rainy days. It is also scratch-resistant, wear-resistant, tear-resistant and durable.-There are many pockets, small and large, to neatly store everything from small items to large things. The main pocket can accommodate a 15.6in computer or tablet.-Easily carry your daily necessities together, suitable for school, work, travel, business trips, etc.-The entire back is made of mesh material, which has a cushioning effect, can reduce the burden, is breathable, not stuffy, and feels refreshing.-The stress points of the shoulder straps are reinforced with stitching, which can easily withstand greater weight.Specifications.