Starbrite Sail and Canvas CleanerBiodegradable formula safely cleans and brightens all types of white and colored sails/fabrics. Concentrated formula removes dirt, grease and light mildew stains from all types fabric. Will not weaken fabric or threads. Great for Boat Covers, bimini tops, and nylon/dacron sails. Cleans and brightens whites and colors; Concentrated formula; Safe and easy to use; Removes dirt, grease and mildew stains; Does not weaken fabric or thread; Also cleans nylon or dacron sails; How to Use Starbrite Sail and Canvas Cleaner Dilute one part Starbrite Sail and Canvas Cleaner in four parts water. ; 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. ; Click to Download Starbrite Sail and Canvas Cleaner MSDS