I got these for  my grandsons room at my house.  They are beautiful, well made
and sturdy.  The light comes in the and the stars shine all over the room, he was entranced with them.  

Very easy to manage, very easy to hang, they do keep the light out except when the stars shine through the cutouts.

Highly recommend for a child/adolescents room or for anyone who likes stars 24/7.