Perfect to have on hand for any casual occasion from an office potluck to a holiday party. Heavy-duty polystyrene is durable and disposable. Reclosable box keeps unused cutlery sanitary. 33test33 Perfect to have on hand for any casual occasion from an office potluck to a holiday party. Heavy-duty polystyrene is durable and disposable. Reclosable box keeps unused cutlery sanitary.