Jennings Mouth Gags Back to Products     Catalogue #       550-100   Infant size: 3½" (90mm), 41mm spread 550-101   Small size: 4â…œ" (110mm), 38mm spread 550-102   Medium size: 5â…›" (130mm), 46mm spread 550-103   Large size: 5½" (140mm), 50mm spread