Earmuffs, Earmuff Style Behind-the-Neck, Noise Reduction Rating 22 dB, Dielectric No, Cushion Material Foam, Compatible Manufacturer Model Number NECKBAND - N/A, For Use With Face Shields, Hard Hats, Hygiene Kit, Cup Color Black, Series VeriShield (TM) 100, Earmuff Type Rigid, Standards CAN Z 94.2 -1994, CSA Class B, OSHA 29 CFR 1910.95, Part II, (R. S. C. 1985, c. L-2), S 3.19 -1974, Replacement Pad Grainger Part Number 55JR12, Band Color Black, Band Material Steel-Wire, Cup Material ABS