12 oz. aerosol. 10.5 Net Weight. Heavy duty 10% silicone water repellent other products only have 2% to 5% silicone. Restores and replaces factory waterproofing on silicone impregnated leather boots. Waterproofs suede, brushed, leather and all other fabrics. Allow all materials to breath. Waterproofs duffles, backpacks, tents, levis clothing, etc.