Great for Smooth White Soles - The smoother the sole, the longer the sponges last; During use, the white side of the sponge will naturally disintegrate; Use the orange side to quickly swipe away any remnants off your shoe. Effective Pocket-Size Design - Unique dual-layer technology, powerful micro-scrubbers, and proprietary cleaning formula designed to remove tough marks, scuffs, and dirt on any sole. Just Add Water - Our sponges only work when wet; Each sponge needs to be moistened before swiping soles to activate its cleaning power; Reusable; If they begin to dry, simply add more water to fully reactivate. Easy, Gentle Rub - Buff gently for maximum cleaning power; The softer and smoother you swipe, the easier the marks come off; Avoid rubbing or adding pressure for better results. Instant Sneaker Cleaner - Make pesky scuff marks and dirt stains instantly disappear from your shoes’ and sneakers’ soles and midsoles; Quick, effective, and convenient miracle erg sponges. Instant Sneaker Cleaner - Make pesky scuff marks and dirt stains instantly disappear from your shoes’ and sneakers’ soles and midsoles; Quick, effective, and convenient miracle erg sponges.