Antifouling Self-Polishing For Wooden, Iron, And Fiberglass Hulls (Not Suitable For Aluminum Hulls) For A Complete Season Of Protection Against Fouling In Water. Suitable For Boats That Do Not Exceed 30 Knots. Tin-Free And Especially Suitable For The Yachting, Fishing, And Working Boat Sectors, As Well As All Types Of Water.