Cerium Oxide High Grade Polishing Powder - 8 Oz and 2" Felt Polishing Wheel Kit 8 Oz high-grade Cerium Oxide Powder Felt Polishing Wheel, Diameter: 2" Remove light scratches or stubborn stains from glass of any type Slurry of Cerium Oxide polishing compound can be left to dry and later re-used simply by adding water Get professional results