Item number: LKLY4Cool Trolls safety helmet, ideal for biking, skating and scootering. Quick-release buckle and adjustable straps to fit head sizes 48cm - 54cm. Decorated with pretty character graphics, perfect for any little Trolls fan. Foam padding for extra comfort and fit. Quick release buckle, adjustable head straps, lightweight EPS inner and ventilated shell. To Fit head size 48cm - 54cm.