Note: Only the keycaps are included, not the keyboard. ?163 KEYS SET? Basic Kit 104 Keys + Supplement Kit Keys + Extra Novelty Kit7 Keys. Supplement Kit 47 Keys Including: 39*1u Keys , 2*1.5u Keys, 3*1.75u Keys,2*2u Keys,1*6.25u Key. Extra Novelty Kit 14 Keys Including: 8*1u Keys, 2*1.5 u Keys, 2*2.25u Keys. Compatibility: 100% compatible with Gateron, Kailh, Cherry MX Switches Mechanical Keyboards. 100% compatible with US ANSI layout keyboards such as Cherry, Filco, Leopold, etc. Not 100% Compatible with some Corsair, Razer, Cyrus, Logitech and other keyboards. Please make sure your keyboard is compatible before placing an order. Details: Compared with other printing technologies,dye sublymation has obvious advantages: fine patterns, rich and clear layers, high artistic quality, and strong three-dimensional impression, which is not possible with general printing methods. And can print photography and painting style patterns. Make the color of the characters and patterns of the keycaps bright and clear, not easy to wear, not to lose characters, and not to fade. These keycaps are made of durable and grease resistant PBT material. Compared with ABS, PBT has better high hardness, wear resistance and high temperature resistance. Dye sublimation can make the font of the keycaps clear and not fading. If you want to decorate the keyboard, this keycap set is a very good choice for you, with a better look and feel.