Tile Shop Holdings, Inc. is a specialty retailer of manufactured and natural stone tiles, setting and maintenance materials, and related accessories in the United States. As of December 31, 2016, the Company's assortment includes over 4,000 products from around the world that consists of natural stone, ceramic, porcelain, glass, cement, wood look, and metal tiles. Its natural stone products include marble, granite, quartz, sandstone, travertine, slate and onyx tiles. The Company manufactures its own setting and maintenance materials, such as thinset, grout and sealers, under its Superior brand name, as well as work with other vendors to manufacture private label products. As of December 31, 2016, the Company operated 123 stores in 31 states and the District of Columbia, with an average size of approximately 21,100 square feet. The Company also sells its products on its Website.