Custom® Building Products STTSW1-2 SimpleSet® Pre-Mixed Thin-Set Mortar, GallonThis no mix, no mess alternative to traditional thin set mortars spreads quickly and easily. Bonds ceramic tile up to 18" x 18" (45 x 45 cm). 1 Gallon Color white Granite & ceramic tile up to 18" x 18" (45 x 45cm) For interior wall & floor installations Protected with moldgard technology to resist mold & mildew growth. WARNING: This product can expose you to chemicals including crystalline silica, which is known to the State of California to cause