Description Made from premium cloth and filter element, this multifuctional scarf would keep you safe from PM2.5. It's an essential when you go out hiking, cycling or performing all kinds of other outdoor activities. It also protect you from the harm of sunlight. You could transform it from a scarf into a mask, or a headband. Features -Color: Grey. -Material: Cloth. -Size: 38.1x24.1x0.3cm. -Made from premium cloth and filter element. -Keeps you safe from PM2.5. -Protects you from the harm of sunlight. -You could transform it from a scarf into a mask, or a headband. -An essential when you go out hiking, cycling or performing all kinds of other outdoor activities.