The Walker's neckband ear plugs feature a convenient neckband for hassle-free management and are rated to protect up to 25Db. Includes one pair of replacement plugs. Specifications soft, ergonomic foam pods rest partially in ear for a balance of comfort and protection Specially designed headband rests comfortably around neck pods are washable and detachable NRR 25 includes one extra pair of replaceable foam ear tips.