What kind of room darkening or blackout window treatments do you have? Do you like them? If you don't mind saying, how much did they cost?

Currently we have room darkening shades on both the master and the nursery. The curtains in the master do a good job except around the edges where they aren't flush with the window frame and light gets in there- I can handle this but my fancy pants husband is bothered by the light, especially in the morning. He wants to get blackout blinds or shades but the nice blackout cellular ones are expensive and we have 8 big windows in our bedroom.

Nursery had "blackout " curtains from ikea but they let a ton of light in, so I have those black paper blinds from Home Depot in there behind the pretty curtains. I'd really like something that isn't paper and taped to the window. She jus had two big windows.

Curious what others have and like!