9&frac12;&rdquo; x 13&rdquo; Quarter Size Aluminum Sheet Pan w/Plastic Cover Set includ 1 Quarter size aluminum sheet pan (18 Gauge) and 1 cover Plastic lid snaps tightly around edges to keep food fresh and sanitary! Baking sheet for cookies, biscuits, breads, brownies, and more Cover made of Polypropylene construction Hand wash only