Precise Cutout Designed specially for iPad Air 3 A2123 / A2152 / A2153 / A2154) and iPad Pro 10.5 (Model NO. A1701/A1709). Access to all buttons and ports aligned perfectly. Built-in Apple Pencil Holder Tightly hold your Apple pencil, pencil cap and usb adapter to avoid losing; There are holes behind the holder allow you to push your pencil out easily. Apple pencil is not included in package Flexible Back Cover The back cover is made of flexible TPU materials, different from plastic shell which is easy to crack. Auto Sleep/Wake 0.1S quick response to auto sleep/wake your devicefor for power reduction. Ergonomic Typing and Viewing Angles Make your wrist and posture more comfortable, without any pressure.