Realistic 3D Dino / Shark Design! your boys girls will love it at first sight Color printed PC Shell with shock-absorbing EPS foam is not only adorable but also resists impact The spikes using environmentally nice silica gel, safe for kids 2 sets of interchangeable pads with different thickness (7mm and 10mm)for custome fit 11 vents keep kid cool, even in hot summer. Super lightweight helmet for children to wear when they are cycling, skating or skateboarding 3 Size available, Size XS suitable Infant baby, boy and girl,Please choose the helmet size according to the head circumference COMPLIANCE- Complies with U.S. Consumer Product Safety Commission Safety Standard for Bicycle Helmets for Persons Age 1 and Older (Extended Head Coverage) Kids Helmet for Toddler & Youth. PC shell + shock-absorbing EPS foam to reduce your child risk of injury while biking on or skating! New Design: Cute 3D shark, dinosaur design, Perfect cute Gift for kids, child, toddler helmet must be very popular with gilrs and boys. Adjustable Dial System: When the kids bike helmet is too tight or too loose, you can adjust the spin dial according to your child's head circumference to ensure that the helmet fits the child. Lightweight: About 270g(0.6lbs); Adjustable 3 Size: XS 44-50CM /17.3in-19.6in,S 50-54CM/19.6in-21.3 in, M 54-58CM/21.3in-22.8in.Equip 2 sets of interchangeable pads with different thickness (7mm and 10mm)for custome fit .The kids’ helmet can be used for many outdoor sports like cycling, skateboarding, scooters, and roller skating. It is the perfect gift for your child's birthday, Thanksgiving and Christmas.Notice:the helmet is specifically a bicycle helmet, not intended for motorcycle use