Evecase EVA Hard Zipper Protective Case for Laptops/Ultrabooks such as Acer Aspire S7-392-9890, Aspire S7-392-9404- Blue Durable and lightweight, this case is great to take with you on the go.Zipper closure keeps your device secure.Compact design enables storage in a backpack.Add a touch of style and individuality to your device with this colorful case. Compatible with most 13.3 to 14 inch Chromebooks/laptops /Ultrabooks,such as ASUS Zenbook UX301LA-DH51T /DH71T/XH72T 13.3" Quad-HD Display Touchscreen Laptop with Gorilla GlassAcer. Such as, Acer S3-391-6046 13.3-inch Ultrabook. Acer Aspire S7-392-9890 13.3-Inch Touchscreen Ultrabook.