The bag dimension as following:for 13 - 14 inch Laptop :External : long 350 mm * width 250 nternal : long 330 mm * width 240 mmfor 15 - 16 inch Laptop :External : long 395 mm * width 270 nternal : long 375 mm * width 260 mmFor Macbook M1 Air 13 Laptop model A1932 A2179 A2337 :External : long 330 mm * width 240 nternal : long 315 mm * width 230 mmFor Macbook M2 Air 13.6 Laptop model A2681:External : long 330 mm * width 240 nternal : long 315 mm * width 230 mmFor Macbook M1 M2 Pro 13 Laptop model A1706 A1708 A1989 A2159 A2289 A2251 A2338 :External : long 330 mm * width 240 nternal : long 315 mm * width 230 mmFor Macbook Retina 13 Laptop model A1425 A1502 :External : long 350 mm * width 250 nternal : long 335 mm * width 240 mmFor Macbook Old Air 13 inch Laptop model A1466 A1369 :External : long 350 mm * width 250 nternal : long 335 mm * width 240 mmFor 2021 Macbook M1 Pro 14 A2442 Laptop model :External : long 350 mm * width 250 nternal : long 335 mm * width 240 mmFor Macbook Pro 15 Laptop model A1707 A1990 :External : long 385 mm * width 265 nternal : long 370 mm * width 255 mmFor Macbook 16 inch Laptop model A2485 A2141 A1398 :External : long 395 mm * width 270 nternal : long 375 mm * width 260 mmFor Huawei Matebook Xpro Laptop :External : long 330 mm * width 240 nternal : long 315 mm * width 230 mmFor Huawei Matebook 14s Laptop :External : long 350 mm * width 250 nternal : long 335 mm * width 240 mmFor Huawei Matebook 14 Laptop :External : long 350 mm * width 250 nternal : long 335 mm * width 240 mmFor Huawei Honor MagicBook 14 Laptop :External : long 350 mm * width 250 nternal : long 335 mm * width 240 mmFor Huawei Honor MagicBook X14 Laptop :External : long 350 mm * width 250 nternal : long 335 mm * width 240 mmFor Huawei Matebook D 14 Laptop :External : long 350 mm * width 250 nternal : long 335 mm * width 240 mmFor Huawei Honor MagicBook 15 Laptop :External : long 390 mm * width 265 nternal : long 370 mm * width 255 mmFor Huawei Honor MagicBook X15 Laptop :External : long 390 mm * width 265 nternal : long 370 mm * width 255 mmFor Huawei Matebook D 15 Laptop :External : long 390 mm * width 265 nternal : long 370 mm * width 255 mmFor 2021 Huawei Matebook D16 Laptop :External : long 395 mm * width 270 nternal : long 375 mm * width 260 mmFor Huawei Matebook 16 or 16s Laptop :External : long 395 mm * width 270 nternal : long 375 mm * width 260 mmFor Huawei Honor MagicBook pro 16.1 Laptop :External : long 395 mm * width 270 nternal : long 375 mm * width 260 f you need help, please contact customer service. Thank you very much and wish you a happy shopping! ! !