Hot Wheels SAKAR Bike Skating Skateboarding Helmet Kids Age 5+ 19"- 21"  New. Show signs of shelf wear (see pictures #21, #22).  This features an ultra-light in-mold PVC shell design with cooling vents to keep your child comfortable while they ride their bike, skate, or skateboard. The adjustable straps and protective EPS foam inner with comfort pads ensure a secure and comfortable fit.