Features: Brand new and high quality Circular chamfering,smooth experience. It provides you with great advantages of micro aiming and tracking, and has the feeling of floating. It will not wear out as quickly as traditional PTFE feet, and you can use it almost permanently. Round Edges Perfectly polished ultra smooth round edges will provide you with the smoothest sliding ever. Mouse feet sticker is made of aluminosilicate glass, fast and smooth. Specifications: Material: Premium Aluminosilicate Glass Thickness: 0.8mm Quantity: 1Set Color: Black, White (optional) Used for: Logitech GPRO X Superlight(GPX ) Note: 1. Confirm that the residual part of the President's foot sticker is cleaned before installation 2. The glass feet will also be worn by particles such as dust 3. The glass foot sticker may be damaged in of objects and severe impact 4. The glass foot sticker cannot be removed and pasted repeatedly after installation 5. Please regularly check the bottom of the foot sticker and the mouse pad for dirt and other impurities to extend its use . If you have any other problems, please contact us . Package includes: 1Set x Mouse Feet