Additional Details ------------------------------ Bullet point: Price For: Each Noise Reduction Rating NRR: 21db Standards: CSA Class B Features: Folds Up For Storage Earmuff Style: Over-the-Head Ear Muff Shell Color: Black Dielectric: No Ear Muff Style: Folding Item: Ear Muffs Color: Beige/Black Ear Muff Cup Color: Black Series: Optime Material: ABS, Stainless Steel Ear Muff Type: Foldable Ear Muff Cup Material: ABS Material: ABS