Folox Silicone Keyboard Protector Anti Dust Cover for Dell Inspiron 15-3541 15-3542 15-5547, 15CRB, 15CRL, 15LRB, 15MRL 15MRS 15MRT, Latitude E3550 (Green) Closely paste the keyboard surface and fitted each key perfectly Removable and washable, keeping it clean and makes your keyboard always new Feels great to touch, mute-typing, diminishes keystroke sound in quiet place Made of soft durable rubbery silicone material, healthy and environment friendly Waterproof and dustproof, protect your laptop against spills, dust, and other contaminants