Ear Muffs, Earmuff Style Multi-Position, Noise Reduction Rating 28 dB, 29 dB, Dielectric Yes, Cushion Material PVC, Compatible Manufacturer Model Number 101-29001, Includes Crown Strap, Cup Color Gray, Series Sound Shield, Earmuff Type Rigid, Standards ANSI S3.19-1974, CSA Class A(L), Replacement Pad Grainger Part Number 3NHJ4, Band Color Black, Band Material Plastic, Features Head Pad, Molded Grips, Sculpted Headband, Soft-Seal(TM) Ear Cushions, Three Position Muff, Weight 10.1 oz