PBT Keycaps 137 Keys XDA Profile DYE-SUB Personalized White Yellow Honey Milk Japanese Keycap Suitable for Mechanical Gaming Keyboard (Japanese)Compatibility: This set of keycaps has a total of 140 keys and includes various sizes of keycaps suitable for most 61 64 87 104 108 cherry mx switches mechanical keyboards. PBT Dye Sub: These keycaps are made of PBT material, with a thickness of approximately 1. 4mm and exquisite patterns that will not fade. XDA Profile: These are xda profile keycaps, which are ergonomically designed to provide you with a comfortable typing experience, better for work