Trident AC-UNCRBK-BKBLK Tech Jacket Universal Case Case Bulk For 11in To 11.6in Devices Self-adhesive silicone cushions adhere to the top and bottom of the device and provide shock absorption. Adjustable Velcro corner straps accommodate most 11 sized Chromebook and laptop notebook computers. Reinforced corners help to protect screen and shell from drops. Access to all ports (USB, charging) while the case is on.