THIS KIND OF LID WITH SQUARE SHAPE AND T TYPE S/ S RING IS MAINLY FOR KINDS OF SQUARE FRY-PAN OR NON-STICK COOKWARE FOR AMERICA AND EUROPE MARKET.WE HAVE FOLLOW SIZE:16CM,18CM,20CM,24CM,26CM,28CM AND 34CM,OUR FACTORY IS GOOD AT THE PRODUCTION OF THIS KIND OF LID.THE DESIGNER FROM CUSTOMER IS WELCOMED.