... ,anti-shock,anticollision.This RC tire can be use in baby racing car,its good promotion gift. Item No.RC-16Key wordRC ... :Eco-friendly material:NBR+PVC foam.Function:Suitable for toy car,bike,motorcycle,truck,babystroller.Durable,safety,wearproof,anti-shock,anti ... you! mini RC foam insert wheel tyre/rc caterpillar for baby car