Atsko Sno-Seal UV Block Sun Protection (Permanent Fabric Treatment), 17-Fluid Ounce Bottle UV Block is unscented sun protection for your clothes instead of your skin Use especially if you are wearing light colored clothing so you have extra protection Turns ordinary fabrics into ultraviolet barriers A permanent UV absorber and stops the sun damaging rays before they penetrate your clothing and reach your skin Effectively prevents fading and makes your clothes last longer