1.Soft and elastic, used in baby carriage with wide range 2.With light weight and high strength PU FORM WHEEL PU-F45801( ... the working states4.Very light,the weight is only 1/4 of the rubber pad ;3.With fetal wide top,with special pattern design ... .Soft and elastic, used in baby carriage with wide range We are large factory ,dealing with wheel barrow ,hand trucks ,hand trolly, service ...