Earmuffs, Earmuff Style Over-the-Head, Noise Reduction Rating 27 dB, Dielectric No, Cushion Material Foam, Compatible Manufacturer Model Number Over the head - N/A, For Use With Face Shields, Hard Hats, Cup Color Yellow, Series VeriShield (TM) 100, Earmuff Type Foldable, Standards CAN Z 94.2 -1994, CSA Class AL, OSHA 29 CFR 1910.95, Part II, (R. S. C. 1985, c. L-2), S 3.19 -1974, Band Color Gray, Band Material Steel-Wire, Cup Material ABS. This item has been restricted from sale in the following state (s): []