Extremely efficient against heat coming from direct sunlight by a factor up to 72% heat reduction on a clear glass. Provides energy conservation / savings and improved comfort. Reduces glare by 78% and eye discomfort. Uv blocked 99% extends the life and vibrancy of in the fabrics of furniture and carpets. Reduces air conditioning costs considerably resulting in fast film pay backs. Visible light transmitted 17% and u value 0.93. Shading coefficient 0.26