iPearl mCover Hard Shell Case for 11.6" Acer Chromebook 11 CB3-111 series (NOT compatible with newer Acer CB3-131 series with IPS HD screen) Laptop (Clear) Made of USA-made high-quality translucent DOW polycarbonate material, which is shatter-proof and will protect your 11.6"(diagonal) Acer Chromebook 11 CB3-111 laptop all around. Designed to perfectly fit the 11.6-inch Acer Chromebook 11 CB3-111 laptop and protect ALL corners. NOT compatible with any other Acer / non-Acer laptop models, including Acer C710 / C720 / CB5-111 series Chromebook, Aspire V5-131 series, etc Designed with Retractable feet at the rear bottom to let you type more comfortably. It also helps to prolong your laptop's life with BETTER heat ventilation from features like retractable feet and more wider ventilation slots. 2-piece light-weight (7 oz or 200 g) shell easily snaps on and off. NOTE: Before placing order, please make sure to verify your laptop model number as this case is MODEL specific and not interchangeable.