This keycap is made of ABS plastic. A set of QWER transparent clear keycaps. Manufactured in the UK with very high quality material. Our special formulation "Transparent Clear" gives you a distinctive look of semi-transparent color when there is no light passthrough them. When backlit, this spectacular keycap diffuses the light into a magical glowing effect. Fit on QWER keys; and compatible for Cherry MX / Gateron / Kailh / Razer / others MX clone mechanical switch. Designed for backlit mechanical keyboard especially, but you can put on non-backlit keyboard too.