Aerogel Fastener Neck Warmer Free Size Black Never used; selling to declutter Suitable for men and women Uses aerogel batting with excellent insulation ◎ Smartly protect yourself from the cold with this accessory! Just wrap it on! Easy to use with a zipper closure, and always reliable! ● Product Features ● ・Zipper closure allows for easy on and off without messing up your hairstyle or makeup! ・Can fully cover your mouth and adjust the height by opening the zipper. ・Simple design, perfect for going out, commuting by bicycle, going to school, or outdoor sports! Materials Outer: 100% Nylon Batting: 100% Polyester Lining: 100% Polyester