Multi-purpose formula. Easy to apply/re-use. Mildew resistant. No gun needed. New, easy squeeze bottle. Elmer's Siliconized Acrylic Latex Squeez' N Caulk is ideal for sealing gaps in: tile, aluminum, plaster, porcelain, glass, brick, stucco, ceramic, cement, wood, stainless, steel. Tough/flexible, can be used with latex & oil-based paints. No harmful fumes, water resistant, non-flammable. Safe, non-toxic: as defined in the Federal Hazardous Substances Act.