Marine 31 Fabric & Vinyl Cleaner Made in USA. Marine 31 Fabric & Vinyl Cleaner is harbor-safe and eco-friendly. Use on: Bimini tops, T-tops, Vinyl cushions, Inflatable boats, Seats, Boat covers, Sail covers and Deck awnings This biodegradable marine cleaner safely removes the toughest soil and stains on virtually all marine fabric and vinyl surfaces. Cleans all marine fabric and vinyl surfaces.