This Is a Cup Lid Brush Specially Designed for Cleaning Daily Necessities. It Can Perfectly Solve the Cleaning Problem of Thermal Insulation Cup Cover, and the Flexible Design Can Easily Penetrate into the Gap and Groove of the Curling Cup Lid to Effectively Remove Dirt. Small and Practical, Safe Material, Is a Powerful Gadget to Keep the Lid Clean and Clean Those Hard to Reach.