267 HPF610C Disposable Soft Polyurethane Foam Corded Ear Plugs NRR 30 SNR 38 Trending Simply soak in water for 3100 5XL Simply soak in water for 2 3 minutes Polyester cotton corded construction is breatheable and decreases hand fatigue Knit Wrist helps prevent dirt and debris from entering the glove Clute cut provides a roomy fit Straight thumb increases comfort in closed fisted work Double palm provides additional weight Just Insert & Twist The fastest fitting foam ear plugs Shape conforms to most ear canals Softest most comfortable cylinder shaped ear plug Black PVC cord for convenience and to prevent loss of ear plugs NRR 30 protection