The Yamaha Silver Polish SP2 is a single item metal polish designed for removing tarnish from silver and silver plated finishes. It comes in a convenient package dimension of 4.8x2.05x1.22 inches and weighs 0.29 pounds. The fine grit material aluminum oxide gently removes tarnish and polishes surfaces to a high shine, making it ideal for maintaining the appearance of musical instruments and other silver or silver plated items. The model number SP2 indicates this specific polish specifically formulated for Yamaha products.