Color: Black Super fast - Super smooth polished surface mouse skate made with aluminosilicate glass gives you a big advantage of micro aiming and tracking. Super durable - Super strong tempered glass will not wear fast like conventional PTFE feet, you can almost use it permanently. Round edge - Flawlessly polished super smooth round edge will provide you smoothest glide ever. eSports Grade - Superglide is perfect for pro eSports grade accuracy. Do not recommend use with glass mouse pads.