A Revolutionary Topical Solution Helps Eliminate Aluminum Compound Tap Residue From All Floors. Stage step introduces TapShield, the innovative way to protect floors from aluminum compound tap residue. Applied directly to taps, the revolutionary topical solution helps eliminate virtually all traces of the black and grey mess left by tap disintegration while not impacting performance. TapShield is environmentally friendly and will not affect sound, co-efficient of friction or safety. It is available in a variety sizes for individual, class and school uses. Good for 50 pairs of tap shoes. Continental USA Shipping Only.