The Metal  : High quality 18 Gauge M Steel  with chain mail

Inner Diameter : Front to back 9 inches (approx.)

Ear to Ear : 8 inches (approx.)

Height : 16 inches from top to bottom (approx.)

Circumference : 26 inches (approx.)

Size :  standard size, fits almost all adults

Weight: 2.3 Kg (approx)