3M Peltor Optime 105 Twin Cup Earmuffs, Foldable, Comfortable, Lightweight, Low Linting, Noise, Noise Reduction Rating Protection, Foam, Acrylonitrile Butadiene Styrene (ABS), Plastic, Plastic, Black, Red

Peltor Optime 105 over-the-head earmuffs feature double-shell technology to provide effective hearing protection for noise levels up to 105 dBA. Lightweight design features liquid/foam-filled earmuff cushions. Noise Reduction Rating (NRR) is 30 decibels CSA Class AL. One size fits most. Recommended applications include facility maintenance, grinding, machine operations, sanding, welding, demolition, painting, blasting, assembly and cleaning.