Describe: Color as shown Material: polyester fiber Size: diameter 12cm/4.72 inches 1. Soft and comfortable: These winter back-worn earmuffs are made of soft knitted material, which is comfortable to the touch and will not strangle your ears, giving you the ultimate comfort. 2. Warm ear protection: The earmuffs are made of knitted material, which has good thermal insulation properties, effectively blocks cold protects the ears from cold weather, and keeps your ears warm and comfortable. 3. Back-wearing design: This earmuff adopts a back-wearing design, which is convenient and fast. There is no need to tuck your hair in, which avoids the trouble of hair getting messy. It is also suitable for various hairstyles and is very convenient and practical. This product includes: 1 PC earmuff