Dilute 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.