The Matrix tape top ready made curtains are available in a selection of feel good tones. This design is inherently lined and does not have a separate fabric lining, the shimmering back has a thermal blockout coating making it perfect for dimming your room of choice. The neutral embossed surface pattern is perfect for blending with existing motifs. The Matrix are 100% Polyester. Please be aware that the Matrix Range are light diffusing curtains and not Blackout curtains which do eliminate the light.