Cyalume Cyflect Luminous, Reflective American Flag With Adhesive Backing, 2" Length x 3-1/4" Width (Pack of 50) Patented cyflect is the only product where 100 percent of the surface area is both prismatic retro-reflective and photo-luminescent Cyflect products are non-toxic, on-hazardous, and waterproof The material is visible through fog and smoke and, unlike glass-bead material, will reflect equally wet or dry and from oblique angles Cyflect products reflect white and glow yellow-green