Instantly dissolves seagull & pelican bird droppings both wet and dry on and off the boat. Cleans with ease all types of bird and fish and dock stains and messes. Use on: wood, ropes, glass, synthetics, metal, plastic, fiberglass, walls, carpet, awnings, boat fabrics, flags, sails and covers, composites, vinyl, canvas, upholstery and all types of decking. Non-Toxic & Bio-Degradable. Long lasting plastic flow control brush helps to remove stains, droppings and messes without your fingers touching the problem. This product works at removing the worst boat messes. Current record e-mailed to us by Bill B. is a twenty-seven year old baked on pelican dropping mess that he tells vanished in three minutes (with witnesses). This is not a pet bird cage cleaner. Use Poop-Off Bird Poop Remover for in home use.