【Built-in activated carbon filter】Activated Carbon Dustproof Cover, The dustproof face cover filters out 99% of exhaust, dust, chemicals, particles, smoke and fumes 【Designed to wear in 15+ different ways】A face cover, bandana, neck warmer, balaclava, beanie, wristband, hairband, neck gaiter, skull cap, sweatband, winter mask, tube scarf and any way you can dream up! 【UV protection and breathable】the summer face cover are made of elastic soft and breathable fabric material, close to your skin and can draw sweat away from your face and dry quickly, UV-Proof, Sand-Proof, Windproof