Compatible Models - Designed specifically for iPad 9.7 2017/2018/Air2/Air1 (5th generation & 6th generation),Only the following model number are supported: A1822 A1823 A1893 A1954 A1474 A1475 A1476 A1566 A1567 ( It is NOT compatible with other previous model nor any other devices) Advanced Material - Made of durable polyurethane exterior and TPU back cover will effectively protect your device from shock and scratch. Classic Design - Classic and professional design; Full access to all features (Cameras, Speaker, Ports and Buttons) Auto Wake/ Sleep - Enhanced smart magnetic cover, close to sleep, open to wake Lifetime Warranty - Lifetime warranty offered by NewQiang. Please search 'NewQiang' for other accessories.