While providing you with seclusion during the day, this specifically created flame retardant screen cloth still lets you see outside. Although letting in natural sunshine, it deftly diffuses strong sunlight. Ideal for homes and offices where privacy is needed or where screens are used during the day. The 3% on the Illusion Roller blind refers to how much light is let through the weave of the material. This is the tightest weave and will let the least of amount of light pass through.