Notrax 146 Encore Entrance Mat, for Inside Foyer Area, 4' Width x 6' Length x 5/16" Thickness, Brown A combination of Prelude scraping and looped pile Decalon drying yarns in a linear pattern Can be used alternatively to the Intermission mat A heavyweight vinyl non-slip backing ensures minimum movement Can be used as a stand-alone mat, or as the second section (scraping and drying) of the stages entrance matting system Face Weight: 19 oz per square yard, vinyl backing reduces mat movement