Have had two blinds from bloc out. The first one works relatively well but was a pain to install. I recently ordered another for my son's new bedroom and whilst the installing process I think is much clearer now, I was disappointed. It's very expensive, took 4 weeks to receive and it leaks loads of light at the bottom corners. Have ordered cheaper ones elsewhere which work way better as they have a full frame. Going to have to buy curtains to go over the top to make it completely dark.