1.Which model of laptop is this case compatible for? It is only compatible with the following models:13.3 inch Lenovo Yoga 720 13 720-13IKB Laptop13.3 inch Lenovo IdeaPad Flex 5 CB 13IML05 Laptop13.3 inch Lenovo Chromebook Flex 5 13/Lenovo IdeaPad Flex 5i Chromebook 13 Laptop13.3 inch Lenovo IdeaPad S540 13 S540-13iml/IdeaPad S530 13 S530-13iwl LaptopNOT compatible with:-**NOT compatible with Lenovo Yoga 720 12/Yoga 720 15 Series laptop>-**NOT compatible with Lenovo Yoga C740 730 710 700 C940 C930 920 910 900 530 520 510 500 C340 330 320 310 Series laptop>-**NOT compatible with Lenovo ideapad S540 15/S340 S145 S130 Series laptop-**NOT compatible with Lenovo IdeaPad Flex 5 14IIL05 14ARE05/IdeaPad Flex 5G 14Q8CX05/IdeaPad Flex 5 15IIL05/Flex 5 1570 1480 1470/Flex 6/Flex 4/Flex 3 laptop-**Warning:Most of the returns are due to wrong model,if you can't confirm whether your laptop model is suitable for this case,please contact our customer service to avoid buying the wrong type of products.2.What's the main features of this laptop case ?(1):The specially-designed PU leather case for the laptop has the special screen PU leather frame,which can full protect the laptop from scratch and dust.(2):This protective cover is made of the high-quality PU leather,characterized by the beautiful appearance and fine hand feeling;the inner-layer soft cashmere can better protect the laptop.(3):Unique design with two elastic rubber bands could solve the problem of loose cover effectively in the process of using laptop.(4):All procedures are finished by hand-sewing,which can make sure for durable using in future. Included in packaged : 1 x PU leather laptop case