Please reference the bag outer dimension ( length x width ) before your order it. -12 inch：for Macbook 12" A1534 Macbook 11.6" A1370/A1465 (323*225mm) -13 inch：for Macbook pro 13.3" A1706/A1708 xiaomi notebook 13.3" Lenovo ideapad 13.3" Hp Envy 13" (333*240 mm) -13.3 inch：for Macbook air 13.3" A1369/A1466 retina 13.3" A1425/A1502 Asus U4000UQ 14" (350*250 mm) -15.4 inch: for Macbook pro retina 15.4" A1398 pro 15.4" with Touch Bar A1707 (395*277 mm) Please accept an error of 0.05-0.2 cm due to different measuring tools and manual measurements.
12 inch：323*225mm
13 inch: 333*240 mm
13.3 inch： 350*250 mm
15.4 inch: 395*277 mm
