RT-KBU01: Universal Silicone Sheet Keyboard Protector for Laptop PC keyboard with screen sizes up to 15.4-Inch. Product details: This is a universal keyboard protector, designed to fit all Laptop PC keyboards with screen sizes up to 15.4-Inch. It has a new and very soft silicone sheet only 7.9 mils thick. Just put it on your laptop keyboard and type through it. It can easily be cut and adapted for other electronics devices, such as telephones, cash registers, or anything with keypad. It retains the typing feeling of the original keyboard while protecting it. Customer service support information: Toll Free: 1-888-248-2019.