100% Polyester. Fabric: Jersey. Design: Logo, Printed, T-Rex. Contents: 1 Detachable Tail, 1 Jumpsuit, 1 Mask. 100% Officially Licensed. Conforms to Safety Standard: EN71 Compliant, European Safety Standards. Occasion: Halloween. Fastening: Hook and Loop. Sustainability: REACH. 5-6 Years: 24 in. 7-8 Years: 26 in. 9-10 Years: 28 in. Ref: UTBN6458