Atsko Sno-Seal UV Block Sun Protection (for Boat Covers / Outdoor Fabrics), 32-Fluid Ounce UV BLOCK sun protection is for boat covers and outdoor fabrics instead of skin Use this especially if you are wearing light colored clothing Turns ordinary fabrics into ultraviolet barriers Permanent UV absorber and stops the suns damaging rays before they penetrate your clothing and reach your skin Prevents fading and makes your boat cover and outdoor fabrics last longer