Designed ONLY to be compatible with 2020 2019 2018 Release Air 13 inch with Retina Display and Contact ID (Models: A2337 M1 A2179, A1932 - MGN63LL/A, MGND3LL/A, MGN93LL/A, MGN73LL/A, MGNE3LL/A, MGNA3LL/A, MWTJ2LL/A, MVH22LL/A, MWTL2LL/A, MWTK2LL/A, MVH52LL/A, MVH42LL/A, MVFH2LL/A, MVFM2LL/A, MVFK2LL/A, MVFJ2LL/A, MVFN2LL/A, MVFL2LL/A, MRE82LL/A, MREE2LL/A, MREA2LL/A, MRE92LL/A, MREF2LL/A, MREC2LL/A). WARNING: This case is NOT compatible with previous generation Air 13 inch.Please kindly check the model number "Axxxx" on the back of the before your purchase, make sure you choose the exact same model number as the listing title stated "A2337" or "A2179" or "A1932".NO Cut Out design, transparency is different from color to color. Fully vented for safe heat disbursement, fully access to all buttons and features. Totally removable, easy to put on and take off that can protect your Air from scrapes and scratches.Case Dimension: 12 x 8.5 x 0.62 inch, the 2020 2019 2018 Released Air 13 inch with Retina Display & Contact ID dimension: 11.97 x 8.36 x 0.61 inch.Colour: transparentMaterial: plasticPackage Contents:1 x Computer protective shellOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.