The morgan blue polish is a high quality product for application on bikes it removes stains made by tar grease and any other oily residue from your bike whilst providing a shiny finish the treated surface is protected by a film which repels dirt and water the surface you want to treat should be clean and dry before application of the polish its 3 in 1 function helps to remove stains and give a professional and shiny finish it also helps for those harsher winter months