Star Brite 082016 Sail & Canvas Cleaner 16 oz. Bottle. Biodegradable formula safely cleans and brightens all types of white and colored sails/fabrics.Features- Biodegradable.- Cleans and brightens whites and colors.- Concentrated formula.- Safe and easy to use.- Removes dirt grease and mildew stains from sails canvas and fabrics- Great for boat covers bimini tops and sails.- Does not weaken fabric or thread.- Also cleans nylon or dacron sails.- Brightens whites and colorsDirectionsDilute one part Star brite® Sail & Canvas Cleaner in four parts water. (For heavily soiled white materials use full strength.) Wet down surface to be treated. Apply with sponge or brush to a small section using scrubbing action. Wipe or rinse off cleaned area before solution dries. Continue applying in same manner until entire surface is cleaned. NOTE: Before using test an inconspicuous area to be sure there is no adverse reaction. After sail canvas or fabric is cleaned apply Star brite® Waterproofing to make material water tight and resistant to future soiling.