Star brite(R) Waterproofing Spray restores water repellency on most marine fabrics to extend their life and adds a barrier to moisture and damaging UV rays. FEATURES: For boat covers, bimini tops, sail covers, clothing and tents Does not change the color or feel of fabric Waterproofing is safe for on all marine fabrics, including Sunbrella Size: 22 oz. (covers - 80 square feet coverage) Model: 81922