Soundproof earmuffs, foldable and convenient to carry. Excellent sound insulation, foldable soundproof earmuffs. These soundproof earmuffs are suitable for a wide range of uses, such as work, study, concentration, and sleep. The earcups have soft cushions for a comfortable fit. They are headphone-style, so they completely enclose the ears for soundproofing. Use them when you want to concentrate or when you are bothered by surrounding noise. Thank you for viewing. Used a few times and stored. No instruction manual or outer box. The item will be shipped as the main unit only.