GMYLE Hard Case Frosted for Acer Chromebook C720 C720P C740 - Dark Grey Rubber Coated Hard Shell Case Cover (Not Fit For Acer Chromebook CB3-111 Series) High quality hard coating Protects your laptop from accidental hard knocks and scratches. Fully access to all buttons and features Plug your charger, cable or headset without removing the case Simple clip-on/off design without the added risk of harming your laptop during application