Sheet Pan Dividers makes foods with different cooking times together in a single pan for faster meals and less mess. customize individual special-dietary servings and accommodate picky eaters. The set includes 2 large (11.25 x 5.33 x 1.14-inches) and 2 small (5.625 x 5.33 x 1.14-inches) dividers, which all fit together on a US half-size 13 x 18-inch sheet pan. They're safe for oven, microwave, and air fryer use. Their easy-grip tabs offer secure handling to add and remove foods according to their cooking times. Turn dividers inside out to scrub inner creases and corners, then right-side out before placing them in the dishwasher. Made from European-grade silicone, HIC Kitchen's Sheet Pan Dividers are sturdy, durable, heat safe (up to 446-degrees Fahrenheit), naturally non-stick for quick food release, and dishwasher safe for easy cleanup. Do not use knives, scrapers, or cutters on the dividers.