Product details: Material : High quality Polyester Fabric, Reflective strip design,Adjustable drawcord, Ice Touch feel,Cool. Color : Black,White,Grey. Size :(one size) as shown. Package included: 1PC reflective half face mask. Season: Spring Summer Autumn. Gender: Unisex. Thickness: Thin. Feature : 1. Super Breathable, Lightweight, Elastic, Soft, Comfortable, Smooth, Durable, Skin friendly, Not faded, Sweat wicking... 2. Adjustable Drawcord Design,Not easy to fall off. 3. The carefully designed fabric protects your skin from wind and UV rays. 4. It is very lightweight and thin, so you can put it into your pocket. Due to manual measurement, it allows 1 2cm discrepancy.