CUSTOM BLDG PRODUCTS PC14510S-6 10.5-Ounce Light Smoke Caulk, Browns The product is 10.5OZ LGT Smoke Caulk Easy and simple use kit The product is manufactured in China Interior use only. Resists mold and mildew. Formulated to match polyblend grout colors. For use around showers, sinks, or tubs. Light smoke. Interior use only. Resists mold and mildew. Formulated to match polyblend grout colors. For use around showers, sinks, or tubs. Light smoke.