The Metro QM1842G3 Shelf Mat Cover is designed for optimal performance and hygiene. Measuring 42 inches wide by 18 inches deep, this mat kit features durable polymer construction with 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 design promotes airflow and reduces moisture buildup, enhancing the longevity of your shelving and stored items.