We found this at nine stores including Target, Walmart, and Lowe's. This product sells from $18.99 up to $80. Users can save 76% by shopping at Wayfair.

Prices are currently typical for this product, ranging from $15 to $24, and the lowest price we've seen is $10.61.

This product is also marketed as the 

Cameron Thermal Insulated 100% Blackout Grommet Curtain Panel at Wayfair

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50"x95" Sun Zero 100% Blackout Duran Thermal Insulated Grommet Curtain Panel Teal: Modern Indoor Drapes at Target

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Sun Zero Duran Thermal Insulated 100% Blackout Grommet Curtain Panel, 50"X95", Teal (Single Panel) at Walmart

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Sun Zero 95-in Teal Blackout Standard Lined Grommet Single Curtain Panel at Lowe's

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Duran Teal Polyester Solid 50 in. W x 95 in. L Noise Cancelling Grommet Blackout Curtain (Single Panel) at Home Depot

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