Sonus Lube and Synthetic Clay Bar Glass & Paint Prep Sponge Easily removes bonded contaminants, like bugs and bird waste Best used with Sonus Glyde Clay Lubricant Safe for tinted windows. Sonus Lube and Synthetic Clay Bar Glass & Paint Prep Sponge should be rinsed if dropped, to remove contaminants. Clay should be trown out if dropped From the manufacturers of the world's best car wash, polish and sealants