Earmuffs, Earmuff Style Over-the-Head, Noise Reduction Rating 25 dB, Dielectric No, Cushion Material PVC, Compatible Manufacturer Model Number 101-29001, Cup Color Blue, Series Sound Star, Earmuff Type Foldable, Standards CSA Class A, Replacement Pad Grainger Part Number 3NHJ4, Band Color Black, Band Material Stainless Steel, Features Four Point Pressure Distribution, Soft-Seal(TM) Ear Cushions, Weight 7.7 oz