Z Care Marine Cleaner cleans every surface on boats, inflatables, canvas, vynal, wood and hullsurfaces. Wet the area and spray the surface. Brush and rinse. Z Care LVP Marine Cleaner has a polymer so wiping the surface results in a nice shine. It also contains UV protection. If you have moss or discoloration on your canvas covers or sails, spray Z Care on ths area and allow to soak. Brush and rinse.