Thank you for viewing. I am selling this item because it did not suit my needs (used about 3 times). ■ Product Name: 【ProCase】 Adult Soundproof Earmuffs [Black] ■ Product Information: ○ Features 1) Comfortable Fit The headband is made of plastic and flexible artificial leather, so there is not much pressure when wearing it, and the ear cups have soft cushions for an excellent fit to the ears. 2) Certified The earmuffs, consisting of a solid DBS shell and soundproof foam, are certified with an NRR of 32dB in the ANSI S3.19 (USA) test stand, and can significantly block noise. 3) Free Size The elastic, soft padded headband fits all head sizes, and the 360-degree rotating ear cups with foam can be adjusted to fit children's to adults' heads. 4) Foldable It can be folded and easily stored when not in use, and is lightweight and convenient to carry. The ear cups can be pushed into the headband for compact folding. 5) Applicable Places Suitable for sports, factories, photography, construction sites, airports, carpentry, research, study, and restful sleep. ■ Notes: The item will be disinfected and cleaned before shipping. Returns are not accepted after purchase. Please note that there is no manufacturer's warranty.