STM Dux, Ultra-Protective case for MacBook Air M1 & Retina 2020/2018 Models- Black Clear back allows you to customise your device with personal images or simply let your device shine through Super protective polycarbonate and rubberised TPU bracket for even the most accident prone among us Ergonomic and form fitting design for a comfortable carry Textured rubber feet prevent your laptop from sliding on smooth surfaces Open hinge allows your device to breathe and cool itself freely