Captain Stag Amazon.co.jp Exclusive Bicycle Helmet for Children Hard Shell S Size Head Circumference 54-56cm For Toddlers SG Standard Celf Matte Light Blue Y-7854

Standard Bicycle SG standard passed productTarget age (reference) 1 to 6 years old Do not use for infants under 1 year old.Product size (approx.) Head circumference / 54-56cm (S size, for infants), product weight (approx.) 400gMaterial Shell/ABS, Liner/EPSFeatures Hard shell typeUses a dial-type adjuster band that can be adjusted according to the size of the headAdjustable chinstrap adjusterUses a one-touch buckleVentilation with 17 ventilation holes (4 forehead, 7 for top of head)Back of the head 6)Removable protective cushions (3 places), Applications Bicycles without pedalsChildren's bicyclesChildren's bicyclesSkateboardsKickboardsRoller skatesUnicycles