The Metro QM2148G3 Shelf Mat Cover is designed for durability and hygiene, measuring 48"W x 21"D. Constructed from high-quality polymer, this mat features built-in Microban antimicrobial protection, ensuring a cleaner surface by inhibiting the growth of bacteria and mold. NSF certified, it meets strict public health standards, making it ideal for commercial kitchens and food storage areas. The mat's robust design provides excellent support and stability, enhancing the longevity of your shelving system.