GearMax Professional 13 Inch Portable Laptop Bag Notebook Sleeve Waterproof Business Executive Handle Briefcase Carrying Case Messenger Bag Backpack Briefcase for Macbook/ultrabook/netbook An overall protection of your laptop and tablet guarantees better safety and makes you at ease! Canvas fabric provides durability Thick canvas fabric is hard, wear-resistant and has excellent waterproof performance. It is sewed according to strict standard with small pinholes and there is no loose stitch or skipping stitch. Attention to details contributes a lot to the delicacy of bags with zippers. Brief but not simple appearance highlights mans sharpness