EASY TO INSTALL & DISMANTLE: Motorcycle Helmet goggle with detachable mask,so the goggles can be used alone.and the mask with slot and the goggles with slot hole which is easy to install and dismantle.And the windproof goggles is flexible and practical,Suitable for most outdoor sports.SPONGE FRAME: Anti-Fog Windproof Motorcycle Goggles High consistency cotton has great exhaust ventilation for a comfortably wearing. Breathable mouth filter and holes provide better air permeability.ADJUSTABLE ELASTIC BAND :100% cotton high elastic band, which can freely adjust the length.the non-slip strap fits any size of head.providing a comfortable wearing experience and well protection. HIGH QUALITY LENS: Our lens is made of PC which has strong physical properties. It can not only prevent the cold wind on the eye irritation,but also prevent UV rays from burning on the eyes.MULTIPURPOSE USAGE- For outdoor sport, such as cycling, motorcycling, riding, snowmobile, airsoft, CS, skiing, and riding. Or costume ball, Halloween Party and Movie props. A good gift for your friends or families. l properties. It can not only prevent the cold wind on the eye irritation,but also prevent UV rays from burning on the eyes.