Compatibility: Case for Kindle Paperwhite prior to 2018 (Released in 2012, 2013, 2015, Model No.EY21 or DP75SDI). We developed this cover based on some feedback and inquiries from buyers. It has the following characteristics: 1 - With automatic sleep and wake-up function, close the case to put the machine into hibernation, open the cover to wake up the e-reader. 2 - The surface of the protective shell is made of leather, and there are sewing edges around it, so the edges are not sharp, and the places where it comes in contact with your fingers when reading will not make your fingers uncomfortable. 3 - The plastic case of the cover inside has strong toughness and is not easy to damage. 4 - The inside of the touches on the e-reader screen with a PU lining, which will not damage the screen. 5 – Precise cutouts,full access to all features without removing case,scratch-resistant,shockproof,full protection of the fuselage. 6 – Weight: about 110g. Note: Please check the model of the device before ordering. Due to Different Monitor, the color may have difference.