"SIMPLESET" PRE-MIXED CERAMIC TILE THIN-SET MORTAR *This no-mix, no mess alternative to traditional thin-set mortars spreads quickly and easily *Bonds porcelain, stone, marble, granite and ceramic *Tile up to 18" x 18" (45cm x 45cm) *For interior wall and floor installations *Protected by Moldguard technology to resist mold and mildew growth *Exceeds ANSI A136.1 Type I *Tub *Gray *Gallon