Marine 31 Polishing Pad Cleaner 16 oz. Made in USA Marine 31 Polishing Pad Cleaner is harbor-safe and eco-friendly. Deep cleans foam, wool and microfiber pads Cleaning your pads with Marine 31 Polishing Pad Cleaner maximizes your investment! Marine 31 Polishing Pad Cleaner is as simple as adding a scoop of cleaner into a 5-gallon bucket of water and placing your pads in the bucket.