The OEM Genuine Joe Marble Top Anti-fatigue Mats GJO58840 is designed for indoor use and helps reduce fatigue from prolonged standing. It features puncture-resistant and flame-resistant properties, along with high-density foam backing for superior comfort. The beveled edges reduce trips and falls, and the mat is easy to clean with water and mild soap. Measuring 3'W x 5'L, it comes in a gray marble color.