This mat is made from PVC material, which is one of the safest materials for tableware and glassware, non-toxic, odorless and eco-friendly. It is extremely easy to wash, simply place the mat over the sink and let liquid drain out. Rinse with warm water. Hand washing is recommended to keep this mat in pristine shape and condition. Shape, measure, colors, pattern are customizable. Prices are based on size of 12″ x 18″, please feel free to e-mail us if you need other size options.