13 inch (External dimension:340mm*240mm*45mm;Internal dimension:315mm*215mm*30mm)
For : MacBook 2019 2020 Air A1932,A2179,A2337;2018-2022 Pro 13 A1706,A1708,A1989,A2159,A2251,A2289,A2338;M2 Air 13.6 A2681 A3113;HuaWei MateBook 13,X,13S,X Pro 13.9 2020 2021.
13.3-14.2 inch (External dimension:360mm*270mm*45mm;Internal dimension:335mm*245mm*30m)
For : MacBook Air 13 2015-2017 A1369,A1466,Pro Retina 13 A1502,A1425;Pro 14 M1 M2 M3 A2442 A2779 A2918 A29921;MateBook X Pro 14.2 2022 2023;MateBook 14 2021 2022 2023;Surface Laptop 3/4/5 13.5.
15-15.4 inch (External dimension:390mm*280mm*45mm;Internal dimension:365mm*250mm*30mm)
For : MacBook Air 15.3 M2 A2941 A3114;Pro 16 2019 A2141;Pro 16.2 2021-2023 M1 M2 M3 A2485 A2780 A2991,Touch Pro 15 A1707,A1990;Surface Laptop 2/3/4/5 15 inch.
15.6 inch (External dimension:400mm*320mm*45mm;Internal dimension:385mm*305mm*30mm)
For : MacBook Pro 15 CD A1278;HuaWei MateBook D16,16S,16.1;Xiaomi Laptop 15.6.
The above data are manual measurements with minor errors. But it will not affect the actual use. You can also choose other laptop models according to the size.
