Compatible With: Keyboard Cover for Lenovo Preferred Pro/Preferred Pro II for 4X30M86879, 41A5289, SK-8813/8817/8820/8825/8827, 73p5220, ku-0225, 54Y9400, KB1021/1468, ekb-425a US Keyboard Skin-HotBlue Reminder: Please compare your laptop keyboard layout and model with the product image to avoid purchasing incompatible keyboards! This keyboard casing is only compatible with the US version, and the 'Enter' key is a rectangle. If the "Enter/Return" key looks like the Arabic numeral "7", then this product is a European or Japanese version and is not suitable for your laptop. Protect the keyboard: The keyboard film can prevent dust, food residue, and other debris from entering the small gaps of the keyboard, keeping it clean. Helps protect your laptop keyboard from various pollutants, effectively preventing the keyboard from getting dirty and extending its lifespan. Reusable and washable, it looks brand new after being washed with soapy water. Reduce wear and tear: Frequent use can cause surface wear and tear on the keyboard, resulting in blurry keyboard characters and affecting keyboard aesthetics. The use of keyboard film can greatly reduce this wear, especially for high-frequency key positions. Replacing the keyboard film is more convenient, faster, and more cost-effective than replacing the keyboard. Reduce typing volume: The ultra-thin keyboard protector is made of silicone material and tightly integrates with the original keys, making typing easier. Keyboard film can also reduce the volume of keyboard typing, making it suitable for various workplaces. Keyboard Cover for Lenovo Preferred Pro & Preferred Pro II Keyboard Cover for Lenovo IBM Preferred Pro USB Keyboard 4X30M86879, 41A5289, SK-8813/8817/8820/8825/8827, 73p5220, ku-0225, 54Y9400, KB1021/1468, ekb-425a US Keyboard Skin