Metal: High quality 18 gauge steel. Inner diameter: 9 inches from front to back approx. Ear to ear: 8 inches approx. Height: 16 inches from top to bottom approx. Circumference: 26 inches approx. Size: Standard size, suitable for almost all adults. The helmet is made of strong and durable resin designed to make a helmet. Which can come in very handy during cons and cosplay. The helmet is painted black with high quality paint. Layers upon layers are covered to get close to the props used on the screen. It’s a wonderful piece that can complete your cosplay/costume or it can be a “great addition to your collection”. If your address is located in a remote area. Whose link i have given.