Function: .Offers The Laptop Better Protection And Safety, Protecting Your Laptop From Fingerprints, Scratches, Drops, Smudges And Other Damages. Ultra-Thin And High-Quality Materials Provide Your Macbook Long-Lasting Protection. The Bottom Of The Shell Is Mesh Hollow, Specially Designed For Heat Treatment To Achieve Better Ventilation And Heat Dissipation. Four Silicone Feet Also Adds A Few Millimeter Of Surface Separation For Air Circulation And Keeps Your Macbook Stable And Secure.