Thermal fabric is ideal for curtains, as it is acrylic backed with 1 - 2 coats. This will protect your house from extreme temperatures as the insulating properties of the fabric will mean you keep cooler in summer and warmer in winter. Hi-Insulating properties improves the insulation and energy efficiency in today's homes. Will provide a light filtering not a total blockout. Disclaimer: This product only includes Curtains. The rod featured in the key image is sold separately.