Compatible Models: Only compatible with iMac Magic Keyboard with Touch ID (A2449) and Lock Key (A2450), released in 2023 M3 chip and 2021 M1 chip EU layout. Please check your keyboard model and version before ordering. Layout is only suitable for EU version (the "Enter" key resembles "7"), not suitable for US version (the "Enter" key is rectangular). Multiple Protections: Waterproof, dustproof, and anti-fouling design helps prevent liquid, dust, and debris from entering the keyboard, helping to extend keyboard life. High-Quality Materials and High Transparency: Made of high-quality TPU material, durable and ultra-thin. Thickness is only 0.006 inches (0.15 mm). Clear, transparent design does not affect MacBook keyboard backlighting. Maintains the original feel of the keyboard, providing a seamless typing experience.