Velux DKL blackout blinds feature fabric that blocks 99.9% of sunlight. Additionally, the roller blinds are equipped with white or silver colored guide rails minimizing light seepage through the sides of the blind.
The mechanism coupled with the guide rails enable stopping the blinds in any position, smoothly adjusting light intensity in a room.
All fabrics are OEKO-Tex certified, a guarantee that they do not contain harmful substances.