Designed exclusively compatible with 6" Amazon Kindle Paperwhite 1 (Kindle 5th Gen) / Paperwhite 2 ( Kindle 6th Gen) / Paperwhite 3 (Kindle 7th Gen) (MODEL NUMBER: EY21 / DP75SDI) (2012-2016 Release 300 PPI Versions and Built-in Light). PLEASE CHECK THE MODLE BEFORE PURCHASING. Will NOT compatible with 6.8" Kindle Paperwhite 11th Generation 2021 or Kindle Paperwhite Signature Edition, 6" Kindle Panperwhite 10th Generation 2018 ( MODEL NUMBER: PQ94WIF), Kindle 10th Generation 2019 (MODEL NUMBER: J9G29R), Kindle 2016, Kindle Oasis and other model. With Smart Auto Wake/Sleep Feature. Wake or put your device to sleep by opening or closing the cover. Build-in strong magnetics ensures the front cover is securely closed. Made of hard plastic covered with premium synthetic leather material. Microfiber soft lining interior perfectly protect the screen of your device. Precise cut-outs perfectly gives you full access of all the ports, camera and button controls, easy to attach and remove. Compatibility Designed exclusively for Amazon Amazon Kindle Paperwhite 1 (Kindle 5th Gen)/Paperwhite 2 ( Kindle 6th Gen)/Paperwhite 3 (Kindle 7th Gen) (Release 2012, 2013, 2014, 2015 and 2016 300 PPI Versions with 6" Display and Built-in Light.) Model NO: EY21 / DP75SDI Will not compatible with Kindle Panperwhite 4 2018 ( MODEL NUMBER: PQ94WIF), Kindle 2019 (MODEL NUMBER: J9G29R), Kindle 2016, Kindle Oasis and other model. Top Quality Material & Workmanship * Premium water resistant hard case, effectively prevents water dripping and protect the screen from scratching and hitting. * Microfiber soft lining interior, advanced texture and hard back shell design, provide a good and comfortable touch feeling while using. * Super precise cut-outs perfectly gives full access of all the ports, camera and button controls. * Easy to attach and remove, making it great for portability. Auto Wake / Sleep Feature Supports automatically Wake/Sleep function by Opening/Closing the lid. Smart energy-saving and prolong standby time.