Description:It is made of high-density foam, large ear holes for monitoring the patient's ear canal.Waterproof plastic coating makes it easy to clean?non-toxic, non-irritating odor.Head Block NF-H1 is made of high-density foam, large ear holes for monitoring the patient’s ear canalWaterproof plastic coating makes it easy to clean?non-toxic, non-irritating odorIt can be used together with scoop stretcher or spine boardX-ray translucentN.W-1KG