Only compatible with model A3113 M3/A2681 M2 (MacBook Air 13.6 inch with liquid retina display 2022-2024 release) Please note that the 13.6 inch only refer to the diagonal length of the laptop display screen, not the length of the case or laptop. Please choose the size based on the model. NOT COMPATIBLE models as follows: - MacBook Air 13 inch model A1466/ A1369 (release 2010-2017 ) - MacBook Air 13 inch model A2337 M1/ A2179/ A1932 (release 2018-2020 with retina display & touch id) - MacBook Pro 13 inch models A2338/ A2289/ A2251/ A2159/ A1989/ A1708/ A1706 (release 2016-2021 with/ without touch bar touch id) - MacBook Pro 13 inch models A1502/ A1425 (release 2012-2015) - MacBook Pro 13 inch model A1278 (release 2008-2012 with CD-ROM) Features of the Hard Shell Case: * Accurate incisions has full access to all ports and functions without removing the case. * Lightweight case, it will not bring extra weight to the laptop, easy to carry. * Designed with two rows of ventilation at the bottom, allowing safe heat dissipation. * Four anti-slip rubberized feet keeps your laptop firmly in place. * Design diversification to meet the needs and preferences of different groups. The size of the models is not exactly the same, how to choose the correct size for your macbook? The following way may help you confirm the model: 1. Turn your MacBook over. 2. The model number is located on the bottom of your MacBook, in small prints which says "Model: AXXXX" . "XXXX" are numerical numbers. 3. Look carefully at the size options and choose the same model number as your laptop. If you have any questions about our products when purchasing, you could consult our customer service by email.