It is used to replace existing (worn, damaged or missing) mouse feet.Made of special polymer composites, it is non-adhesive, smooth, and wear-resistance.It decreases the friction between the mouse and the mouse pad caused by the movement to maintain your mouse and pad.This productcan optimize the response speed of the game and improve tracking accuracy.It will greatly increase the smoothness between the mouse and the mouse pad after using, allow you to experience the feeling of freely flying.The work of mouse skates is very exquisite, especially filing up the edge of chamfering so that it can avoid accident scuffing.Made of premium PTFE, once it is used out after sticking on the mouse for a long time, it can still be detached completely without residue.Using Method:Clean the original mouse feet carefully. Don& 39;t touch them before sticking, so as not to leave sweat stains or oil stains on the original mouse feet. Otherwise, it will affect the stickiness of the sticky side of the mouse skates.Before using mouse skates: Please first bend the release paper downward at the angle of 90 degrees, then peel off the mouse skates. Don& 39;t over bend the mouse skates itself, so as to prevent mouse skates being invalid due to distortion.Stick the mouse skates firmly to the correct corresponding place of the mouse feet. Exert pressure on the mouse skates for about 30 seconds to ensure the bond.Item Name: Mouse Skates PadMaterial: PTFESuitable: for Logitech G420Features: Durable, Mouse Skates, Mouse AccessoriesSize: 5.2cm x 4.8cm x 0.3cm/2.05" x 1.89" x 0.12" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Before using the mouse feet, please remove the original one. Do not increase the distance between the mouse and the mouse pad, so as not to affect the sensitivity of the mouse.Keep the mouse pad clean in daily use to avoid scratching the mouse pad and mouse skates due to dust.Package Includes:2 Sets of Mouse Skates Pad(Others Not Included)