It Specially Designed for Acer Chromebook Spin 311 R724T/Chromebook 311 C723 C723T/Chromebook 511 C737 C737T/Chromebook R11 CB5-132T C738T/Chromebook 11 CB3-131 CB3-132Laptop,Only fit this laptop,Not fit other laptop{please confrim your laptop model} 2 in 1 Design,Protective Case + Portable Bag: It can protect the laptop from scratches and dust during use,but it only takes a second,once the case is turned off,it becomes a portable bag,{Bag Handle Design} convenient for working or playing anywhere. Unique Four-elastic-rubber & Liner-pad Design: Four-elastic-rubber design can fixed the screen and keyboard,it can solve the problem of loose cover effectively in the process of using laptop;Liner-pad design can improve airflow at the bottom of the laptop,it can effectively solve the problem of heat dissipation. High Quality Material & Fashion Design: Built from premium synthetic leather exterior and soft microfiber interior-snug fit and durable;handle and small bag design,fashionable and pra