For noise levels up to 95 dBA. This over-the-head, folding earmuff features a stainless steel headband for consistent force and effective hearing protection. Folding-cups fold up into the headband for compact storage. Stainless steel construction resists bending and warping. Earcup pivot points tilt for optimum comfort and efficiency. Ultra light with liquid/foam filled earmuff cushions. Color-coding for compliance sighting. Ear Muff Style: Over the Head; Attenuation Rating: 21 dB; Dielectric: No; Folding: Yes.