Nicky Bigs Novelties ™ Child's Medieval Helmet is made of high quality plastic and painted to look like brushed metal. This helmet is perfect for those aspiring knights of tomorrow. From playing pretend to theatrical performances, a knight should never be without their helmet. Helmet measures approximately 9 inches tall 11 inches from the back to the nose. Inside measures approximately 22.5 inches or 57 cm - 7 1/8th in a hat size. Please refer to the size chart.