PurActive Scrubbing Sponges feature a special coating that easily lifts stubborn grease & grime while remaining gentle on all hard surfaces. They clean three times more effectively than traditional, nonscratching scourers. Foam backing is soft & fits comfortably in your hand for enhanced ergonomics & a good grip. Hardworking sponges clean a variety of surfaces where a scratch-free finish is required. Test them on an inconspicuous area first.