Details This link is only the keycaps,no keyboard included. The keycap base is many times metal plating and electrophoresis which make the color very durable. The top cat palm is silica gel which is soft tactile feeling. The back stem can adjust the tightness. ?There is a plastic card around the back stem to make it more tight and beautiful. Compatiability It can be used for all Cherry MX Gateron MX Kailh MX and all other MX switches keyboard. After Service If some keys missing or broken on the way,just leave us message,we will send you missing or broken ones soon.Don't worry about it and don't leave feedback immediately.