Radiation, the computer through the keyboard residual radiation 99.7% of the capacity. Wrinkle-, free folding will not leave a crease, allowing you to carry or convenient. The first electrostatic adsorption, exclusive 3D stereoscopic , use when not , completely the keyboard surface without affecting the keyboard operation. Waterproof material, unique proof side of the , so worry about the beverage knocked into the keyboard and damage the computer, and dirt, to avoid , soot, and other crashes into the keyboard and affect the keyboard life. to clean, can be washed directly flush, a little soft the clean, dry can be reused, -thin , with high transparency, allows you to clearly see the symbols keyboard, typing is not affected, , the surface non-slip function, allowing you to type more easily, -thin , not affect the computer switch. Specification: Material: Silicone Size: 365 x 123 x 1mm Package Includes: 2 x Keyboard