Hard Hat Label, Diameter Not Applicable, Material Polyethylene Foam, Number of Labels 4, Preprinted Images No Image, Preprinted Text No Text, Preprinted Text Color No Text, Self-Adhesive Yes, Shape Various, Subject Matter Reflective Label, Visibility Reflective, Background Color Silver, Laminated No, For Use With Brand and Series Alveo Helmets, Package Quantity 4.