NOTE: Before placing order, PLEASE make sure to verify your laptop model number as this case is MODEL specific and NOT interchangeable. ^^ NOT compatible with the bigger 15-inch Surface Book and Surface Laptops ( with traditional hinge ), all Surface tablet computer and any other non-Microsoft computer models ^^ Made of high-quality translucent polycarbonate material, which is shatter-proof and will protect your 2016 ~ 2022 13.5" Microsoft Surface Book 1 / 2 / 3 with Detachable Tablet Display all around. ^^ Designed to perfectly fit the 2016 ~ 2022 13.5" Microsoft Surface Book 1 / 2 / 3 with Detachable Tablet Display and protect ALL corners. ^^ 2-piece light-weight ( 9.2 oz or 260 g) shell easily snaps on and off.