The outer layer of the computer case is made of waterproof polyester fabric, which obstructs water and vapor effectively. Padded foam and soft puffy lining compose two inner layers of the laptop cover, which protects against scratches, bumps, shocks. Four pockets in front and two large pocket in back to meet your different needs and organize your accessories conveniently. Bigger pockets for cellphone, small tablet, document, notebook; Smaller pockets for pen, charge, mouse, earphone,etc. Durable handle strap for convenient carrying outside. You can also plug the handle into the outside pockets and allows this case to be carried solo or put into a briefcase, backpack easily. The sturdy metal zipper is smooth to zip open and closed