The Sonis® range has been stylishly designed with a traffic light color code for easy identification. Materials have been chosen for both performance and comfort for extended periods of use. Features: Twin-point-mounted ear cups for even pressure distribution.Wearer can tilt and adjust cup for optimum comfort and fit.Spring-loaded arms allow the cups to fold up and away when not in use.Allows for the addition of a safety visor when used in conjunction with EVOGuard visor system for maximum protection Specs: JSP Sonis 3 Full Brim Mounted Ear Muffs- NRR 28 dB-Drk.Gry/Ex-Vis Red- Universal Fit-Snap-in Replacement Hygiene Kit Avail. Construction: Snap-In Cushions Case Quantity: 10 Case Length: 21.59 Case Width: 57.15 Case Height: 38.1