Package Included: 1x Double Shot 160 Full Keycaps This cute keycap set is csa profile which is ball shape, which is lower than SA. The height difference can be seen from the image The legend is double shot which is never faded. The thickness is around 1.5 mm for double layers The keycap is made of 50% PBT and ABS. The surface feeling is smooth but won't easy to oil like full ABS. Compatible with standard ANSI 108 104 87 61 MX switches mechanical keyboard whose space is 6.25 u Compatible with main 96 84 68 64 layout keyboard whose space is 6.25 u and 7u