Neck Warmer Autumn and Winter, Ultimate Warmth, Cold Protection, Windproof, Fluffy Brushed Material, Soft, Sweat-Absorbent and Quick-Drying, Antibacterial and Odor-Resistant, Lightweight, Plain, Small Face Effect, Neck Guard, For Sleeping Black系 (Black-based) 【Material】Cotton + Polyester 【Size】23*25cm, One-round length: 50-62cm. The size of the loop is also exquisite, and it fits just right on the chin and doesn't slip off. 【Texture and Elasticity】Gentle on the skin and soft. Uses stretchy knit. It is less likely to slip off when used as a face mask. 【Heat Retention】By making the fabric double-layered, the boa on the back is fluffy, increasing heat retention. 【Multi-functional】A snood that combines fashion and excellent heat retention, soft and fluffy, and can create a small face effect. Commuting by bicycle Face guard Simple Can be used by women, men, and a wide range of people.