O Ozone MacBook Keyboard Cover compatible with MacBook Pro 14 inch 2021 2022 M1 Pro / M1 Max A2442 Compatible with MacBook Pro 16 inch 2021 2022 M1 Pro / M1 Max A2485 Friendly Note: Please kindly check the model number "Axxxx" on the back of the laptop before your purchase. Make sure you choose the exact same model number as the listing title stated "A2442" or "A2485". MacBook Keyboard skin is made of thermo-plastic, it helps keep the keyboard safe from scratches, dust and debris. The Case is made of High-Quality Thermo-Plastic that are durable and molded into shape to provide the perfect fitment to the MacBook. This helps the skin stay in place and last for a long time and help keep your MacBook clean. The Ultra-Thin design of the product makes it stylish, elegant which effectively improves the aesthetics of the product and makes it easy to carry. The high precision molding allows for unparalleled tactile response. If you spill your coffee or beer on your keyboard, the skin will protect the MacBook and you can simply wash it off and see no stains