Please choose the correct size according to laptop's actual dimensions make sure your laptop's dimensions are smaller than the Internal Dimensions [12.8" x8.86" x 0.8"], the more similar, the more perfect! Please check the compatible brands and models below before ordering, to ensure the 11"-13" size sleeve case could fit your laptop. A. If you have the Apple MacBook: -----MacBook Pro 14-inch M4 M3 M2 M1 (Model number A2442 A2779 A2918 A2992 A3112 A3401 A3185)----Tihgt fit-----MacBook Air 13-inch M4 M3 M2 M1 (Model number A3240 A3113 A2681 A2338 A2337)----Snug fit-----MacBook Pro 13-inch (Model number A1989 A2159 A2251 A2289)----Snug fit-----MacBook Air 11.6-inch (Model number A1370/A1465)----Loose fit B. If you have the 11/11.6/12.3/12.4/12.5 inch Dell, HP, Lenovo, ThinkPad, Acer, Asus, Samsung, Surface, Huawei, etc.
