Howard Leight TrustFit Trak reusable push-in metal detectable earplugs are designed with an ergonomic stem & dimpled foam tip so they are easy to fully insert & remove. Pod-shaped earplugs have a large, ball-shaped foam end that fills the ear canal. A paddle grip pushes the pod into place so there's no need to touch or roll the earplug, making it a good choice for dirty environments. An extension of the TrustFit Family when contamination is unacceptable. Designed for process industries such as food & beverage & paper & pulp, TrustFit Trak Metal Detectable earplugs provide all day comfort. Corded / Cordless Pair: Corded; Shape: Pod; Material(s): Foam; Noise Reduction Rate (NRR): 29 dB.