Foam backing is soft to your hands, gives a good grip and enhances ergonomics. But don't let that soft touch fool you - this is a hard working partner that cleans several kinds of surfaces to a shiny result. PurActives special coating easily lifts stubborn grime whilst being gentle on all hard surfaces. It cleans three times more effectively than traditional non-scratching scourers and is more gentle on surfaces than a traditional abrasive scourer. Usage For use on all hard surfaces where a scratch free finish is required (but test on an inconspicuous area first).