Miami Dolphins Authentic Football Helmet The ultimate NFL football helmet Authentic NFL football helmet. Full scale NFL Pro Line NFL football helmets. Official NFL football helmet team decals. Kra-Lite II Polycarbonate Lexan shell and with 2 inflation points. Snap out interior padding, and a 4-point chinstrap , perfect item for autographs and collectors. This officially licensed NFL Pro Line authentic helmet is just like what the pros wear Steel polyvinyl-coated quarterback / running back style facemask. This is an affordable NFL football helmet for the true fan. NFL Team name on back bumper (except Chiefs, Steelers & Giants). Size: 13" (L), 9 ½" (W), 10" (H).