Specification: R4\/ESC Yin Yang Tai Chi Logo PBT Keycap for Cherry MX Switch(suitable for replacing R4 or ESC key) Keytop Shape:Cylindrical Material:PBT PBT material characteristic: Can Survive up to 150*C (or more in some cases) Resistant to solvents Mechanically Strong Does not shine as fast Package included: 1 x key cap Key caps height direction: