Features: brand new and high quality All the useless scraps mouse skates are pre-removed for easier use. Reduces the friction between the mouse and mouse pad.Provides a smoother glides experience. Strictly designed according to real mouses,after consider the mouse sensor's durability and accuracy carefully,the shape, the thickness has adjusted for every model. The material of the product adds lubricating on the base of 100% PTFE. Achieve precise and comfortable operation on different materials mouse pads such as cloth or nylon. The product not only won'for t scratch mouse pad, but also makes the movement of the mouse smoother and more stable . Package Includes: 1Set x Mouse Feet Specifications: Material: PTFE Color: Black Quantity: 1set Thickness: 0.75mm Diameter: 7mm for: for LogitechG1/MX300M100/M235/M210/M180M150/MK220 Mouse note: This product is a replacement mouse feet. After removing original mouse foot sticker, clean the bottom for shell by the cotton which is attached in the package, and then pastethe new mouse feet on. After removing the transparent protective film on the mouse feet, carefully alignthe feet groove on the mouse bottom for shell, then apply slight pressure to fit the foot. Do not repeatedly stick and peel off the foot stickers.