Size: square: about 72mm wide, 83mm long, 10mm thick, diagonal length: 65x65mm inner diameter, side length: 48x48mm inner diameter; side length: about 58mm wide, 58mm long, 5mm thick; diagonal length: 72mm wide, 72mm long, 5mm thick, diagonal length: 65x65mm inner diameter, side length: 48x48mm inner diameter.