Left/RIGHT® Electronic Hearing Protection ear muffs are specially designed to fit left and right ears. Innovative headband design and thinner, more flexible sealing rings ensure optimal fit for wearer comfort. Large muffs provide more room for the ear, providing superior hearing protection regardless of the user’s ear shape and size. MSA,www.MSAsafety.com, (800) MSA-2222. Circle 258 MSA_300px.jpg