Made of PBT material, excellent to touch. The thickness is about 1.2mm,OEM profile, higher than Cherry profile Suitable for most 61 key 60% Mechanical Keyboard other Cherry MX switches AS opposed to a dye-sublimiation process, these doubleshot legends are permanently molded inside the keycap, thus becoming an integral part of it This link only sells OEM profile Keycaps,no keyboard included.There is a puller presented in package Enhances the RGB effect of the keyboard to create a game atmosphere, and the excellent tapping feel makes you immerse yourself in the game