... foam rc insert tire 2.Material:NBR foam 3.Durable,safety,anti-skidding 4.Good for toy rice car 5.black,blue,yellow foam ... safety,Skid-resistant function,weatherproof,anti-shock,anticollision.This RC tire can be use in baby racing car,its good ... packageMaterialNBR foamQTY / CTN420 pcsFeatures:Eco-friendly material:NBR+PVC foam.Function:Suitable for toy car,bike,motorcycle,truck,babystroller.Durable ...