This scroll mat base tray is the perfect base for Evergreen's Sassafras switch mat inserts. The bronze base tray has a cutout variegated scroll border and diamond drainage holes so mats can dry quickly. Measuring 30 x 18 inches, the tray features a 22 x 10 inch space to place your favorite interchangeable Sassafras mat designs. Made of recycled rubber with a skid-resistant backing, the classic frame is mildew resistant, making it perfect for indoor or outdoor use. Simply spot clean with soap and warm water when needed.