OLizee&trade; Electroplating Zinc Esc Key Cap Cherry MX Keycap for Metal Mechanical Keyboard(Multicolor) The material is zinc alloy, with electroplating in surface and never fades, a little heavy than general, excellent touch. It suits for the OEM keyboard and the Original keyboard will be higher than 1-2mm. It will give you the cool feeling when you use. The internal structure: mainly the internal of axis is smooth; the consistent degree is basically as same as the plastic keycap; the four sides of button have been perfectly done without potholes and other defects. Package included: ESC key caps x 1 + Discount card x 1