Compatibility: Suitable for Steelseries RIVAL 100 Product Features: 1. Made from special high polymer composites. 2. Features non-adhesive, high smoothness, and high wear-resistance properties. 3. Reduces friction between the mouse and mousepad during movement, providing protective benefits. 4. Significantly increases smoothness between the mouse and mousepad, allowing for a seamless gliding experience. 5. Precision-crafted with chamfered edges to prevent accidental scratching of surfaces. 6. Made of Teflon material. After extended use, can be removed completely without leaving residue. 7. Includes a free alcohol pad for cleaning. Notice: Before installing new mouse skates, remove the original ones. Do not increase the distance between the mouse and mousepad to avoid affecting mouse sensitivity. Keep your mousepad clean during regular use to prevent scratches caused by dust or debris. Package includes: 2 sets x mouse skates