1. Made of non-toxic engineering grade thermoplastic, wear-resistant, soft and durable.2. The thickness of 0.1mm, light and thin, fits the keyboard accurately and closely, and has no effect on typing.3. Effectively protect your keyboard, waterproof, dustproof, and dirt-proof.4. Electrostatic adsorption does not damage the keyboard.5. The protective film can be cleaned and reused.

http://olla.gr/for-huawei-matebook-13-inch-laptop-crystal-keyboard-protective-film-transparent/