There are a number of good reasons to use blackout shades and curtains. Better sleep quality. Experts say sleep is better in the dark, period. Anyone who sleeps during the day can benefit from ...

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For the Mainstays (Walmart) Blackout Curtains, the lightest color tested was ivory, and the darkest color tested was navy. These curtains are sold as pairs, and are made from polyester.

For the Gracie Oaks Olivia Signature Velvet Blackout Curtains, the lightest color tested was porcelain white, and the darkest color tested was warm black. These curtains are sold as individual ...

Now, the Isla Ultra Blackout Eyelet Curtains are down to £11.25 from Dunelm (prices correct at time of writing), and are said to reduce external light and also regulate room temperature.