We found this at ten stores including Wayfair, Walmart, and Amazon. This product sells from $15.69 up to $50. Users can save 68% by shopping at Target.

Prices are currently low for this product, typically ranging from $16 to $21, and the lowest price we've seen is $13.19.

This product is also marketed as the 

Sun Zero Cameron Thermal Insulated 100% Blackout Grommet Curtain Panel at Wayfair

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50"x63" Sun Zero 100% Blackout Duran Thermal Insulated Grommet Curtain Panel Gray: Energy Efficient Noise Reducing Drapes at Target

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Sun Zero Duran Thermal Insulated 100% Blackout Grommet Curtain Panel, 50"X63", Gray (Single Panel) at Walmart

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Duran Gray Polyester Solid 50 in. W x 63 in. L Noise Cancelling Grommet Blackout Curtain (Single Panel) at Home Depot

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Sun Zero 63-in Gray Blackout Standard lined Grommet Single curtain panel at Lowe's

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Sun Zero Columbia Thermal Insulated 100% Blackout Grommet Curtain Single Panel, 50" x 63", Gray at Amazon

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