C-Preme: C-Preme Raskullz Lil Shark Fin Infant Helmet (1+ Years)Chomp Chomp Chomp!! Your little shark is sure to love the intelligently designed Raskullz Lil Shark Fin infant helmet.The purposeful flat back design allows for your little rider to sit confortably in a child carrier or trailer. The exposed foam on the rear of the helmet helps dampen bumps against the seat. This bike helmet has a sleek, easy-to-use dial fit system that offers an adjustable, secure fit with a quick turn of the dial, awesome shark graphics, and a bendable rubber 3D shark fin. Recommended for kids 1–3 years old with heads measuring 48–52 cm. Helmet Features3D Flexible Shark FinAdjustable StrapsCPSC & ASTM CertifiedImpact Liner Type - Expanded Polstyrene FoamShell Type - PVC ShellVentilation Type - Aerodynamic Cooling Vents Size - Infant, Unisize 48-52cm