Reap the benefits of superior protection when you choose these high-noise-reduction-rated single-use plugs. Patented shape snugly fits your ear canal, creating a perfect noise barrier. Extra-soft, ultra-comfortable foam delivers a low-pressure, pleasant fit. Value-centric pricing enables everyone to get great protection done comfortably. Corded/Cordless: Cordless; Shape: T; Material(s): Polyurethane Foam.