Compatibility: This case is only suitable for Kindle Paperwhite 10th PQ94WIF 2018. We developed this Kindle Paperwhite 4 cover based on some feedback and inquiries from buyers. It has the following characteristics: 1 – Weight: about 100g. 1 - The plastic case of the cover inside has strong toughness and is not easy to damage. 3 - The inside of the touches on the e-reader screen with a PU lining, which will not damage the screen 4 – Precise cutouts,full access to all features without removing case,scratch-resistant,shockproof,full protection of the fuselage.. 5 - With automatic sleep and wake-up function, close the Kindle case to put the machine into hibernation, open the Kindle cover to wake up the e-reader. 6 - 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. We hope our customers will like our improvements, and we are still continuously improving this product and hope to make it perfect. If you bought this case for your e-reader, the e-reader would appreciate you, and even fall in love with it. Note: Please check the model of the device before ordering. Due to Different Monitor, the color may have difference. Service: We believe in our products. That's why we take all of them with 12-month after sale service.