White Preprint Silicone Keyboard Cover for Aluminum Unibody Macbook Pro 13" 15" 17" 0.5mm thin, Soft character, high quality of elasticity, helps muffle typing noises Adopting the Best Japanese high grade silicone material making it durable,flexible, and non-slip With all the numbers and prints on the silicone cover, it's almost the same as typing on keyboard only Easy to use, just put it on the keyboard surface closely, does not influence any operation of the keyboard Easy to wash, guarantee that you have a brand-new and sanitary keyboard,Complete protection from scratch, dust and spills