Walkers' Pro Low Profile Muff combo kit contains one pair of glasses, one pair of earmuffs, and one pair of earplugs. The pro low profile earmuffs have a padded headband for comfortable fit and soft PVC ear pads, is ultra-light, and has a NRR rating of 22dB. The sporting glasses have a high grade polycarbonate lenses and an adjustable nose pad. The foam tip earplugs conforms to shape of your ear and have an NRR of 31dB.