Ear Muffs Earmuff Style Over-the-Head Noise Reduction Rating 25 dB Dielectric Yes Cushion Material Foam PVC Compatible Manufacturer Model Number 10092879 Cup Color Blue Series left/RIGHT(TM) Earmuff Type Rigid Standards ANSI S3.19-1974 CSA Class A Replacement Pad Grainger Part Number 6CCY9 Band Color Black/Blue Band Material Acetyl