This decorative roof window roller blind, fits for Velux window systems, is suitable for any room in your home or office. With a central pull mechanism, it can be adjusted from bottom to top to cater to your needs at different occasions and moments. Made of dirt-resistant polyester with a special heat blocking aluminium coating on the back, this blackout roller blind can retain heat in the room in winter and reflect solar heat in summer. You can position the roller blind at any place in the window. It is easy to assemble with the included mounting accessories. The care of the decor is easily ensured with a damp cloth. Please note that the product size code should match the product code of your Velux window.