Features: All the useless scraps mouse skates are pre-removed for use. Reduces the friction between the mouse and mouse pad.Provide a smoother gliding experience. Strictly according to real mouse,after consider the mouse durability and accuracy carefully, the thickness been adjusted for every model. The of the product adds lubricating on the base of PTFE. Achieve precise and comfortable operations on different materials mouse pad such as cloth. The product not only for scratch mouse pad, but also make movement of the mouse smoother and more stable . Specifications: Materials: Plastic Size:12x8cm for Tyon mouse Package Includes: 2Set Mouse Feet note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item. Thank you!