Flawlessly polished and perfectly round edges result in the best possible glide. Super fast and super smooth mouse feet made by super strong aluminosilicate glass provides you with a great advantage when aiming and tracking. Makes your mouse feel like it's hovering. Lasts longer than PTFE skates. Works very well for permanent use. Superglides have close to zero initial friction which results in an addicting, smooth glide that is both quick and controllable.