Made of 100% durable high-grade silicone, will not scratch the LCD when the screen is closed Wrinkle-resistant design , can store in anywhere, eg. bag, pocket, computer case, etc Removable and Washable Adapted to fit each key perfectly and will not disturb your normal typing Provides a comfortable, non-slip feel that quiets keystroke noises Stays in place while you type Keeps expensive notebook new and clean all the time and protects the notebook from damages such as dirt, grease, liquid, and dust. Thickness: only 0.35mm.