STM Dux 13 Inch Apple Macbook Air Retina 2018 2020 Notebook Case Transparent Black Slim and Lightweight Textured Friction Rubber Feet Ventilated Base The dux provides best-in-class protection for your MacBook with reinforced corners and translucent design to brave the challenges of everyday life. We use completely transparent materials for our cover that allow you to customize your MacBook Air with personal images, scan a tagging barcode, or simply let the beauty of your device shine through. But theres one more thing we want to make perfectly clear: this stylish case still provides the maximum level of protection for your digital gear.Please note this item is non-returnable, see our returns policy for more information.