Inner Diameter : Front to back 9. Use this Helmet as a great Halloween Costume. Size : standard size, fits almost all adults. HEIGHT : 16 INCHES FROM TOP TO BOTTOM APPROX.Made from : Iron steel with adjustable buckles. The item "HALLOWEEN Medieval SCA LARP Gladiator Helmet III Brass Reenactment Armor Helmet" is in sale since Tuesday, June 29, 2021. This item is in the category "Collectibles\Knives, Swords & Blades\Armor & Shields". The seller is "antiquemart2020" and is located in Lakewood, New Jersey. This item can be shipped worldwide.