ITEM NAME:9pcs Scratch Remover Watch Car Pad Cerium Oxide Powder Glass Polishing Set Tool Description: Cerium Oxide is the best polishing powder to glass scratch because the chemical and physical reaction. Easy to use,just mix powder with water and apply to the glass surface with the polishing felt. Restore lightly scratched windows, mirrors, tabletops, windshields, shower screens, fish tanks, even car headlights to like-new.Cerium Oxide is the best polishing powder to glass scratch because the chemical and physical reaction. Cerium oxide powder capacity: 2.5 oz(70 g). 1 pc x 70g of cerium oxide powder. Easy to use,just mix powder with water and apply to the glass surface with the polishing felt.