The Laticrete Permacolor Select System has the option of a sanded or unsanded grout base, and 40 different vibrant color options.The Laticrete Permacolor Select System is equipped with STONETECH Sealer Technology and does not require additional sealing. It has Microban antimicrobial protection to resist mold and mildew growth. The Permacolor Select Grout Base is fiber reinforced, fast setting, and GreenGuard certified low VOC. The Permacolor Select Non Sanded Grout Base non dusting, non yellowing, non shrinking, and great for wet or dry applications. The Permacolor Select Bases must be mixed with a Permacolor Select Color Kit to achieve the intended results.