Keyboard Cover Protect Skin for Dell Inspiron 15CR-4108B 4528L 1518L 1308B 1528L 1328B, 15UR-3748 3638 3528 3328 3508 3548 3628, 15MR-3728L 1328L 1528L 4528S 4748T 4629S 4328S 7627S 7748S (Black) Made with durable non-toxic, silicone material, healthy and environment friendly Flexible,washable,easy to apply and remove for cleaning or disinfecting Soft durable ultra thin material to ensure comfortable usage while typing Feels great to touch, mute-typing, diminishes keystroke sound in quiet place Waterproof and dust proof, protect your laptop against spills, dust and contaminants