Each of the sets are lined with a dark gray material that reportedly helps block out 100% of sunlight to keep your room dark. The curtains can also provide thermal insulation, which will keep hot ...

Available in neutral colors like grey, beige, dark blue ... Costco's least expensive blackout curtains are the SunSmart Tressa Total Blackout Lined Panel Pair, which retail for $25.

Ahead, find our recommendations for blackout curtains that keep the bedroom as dark and comfortable as possible.

Product Features Ready Made: 2 panels per package. Each Classic Lined Curtain measures 52" wide x 84" long (Total width is 104"). The unique design of the silver grommet (1.6 inch inner diameter ...

If you’re a fan of sleeping in a dark room then the curtains ... They are designed with a discreet blackout-lined panel which folds down behind your curtain pole to prevent light coming through ...