We found this at eight stores including Target, Walmart, and Home Depot. This product sells from $18.16 up to $50. Users can save 63% by shopping at Wayfair.

Prices are currently high for this product, typically ranging from $11 to $17, and the lowest price we've seen is $7.79.

This product is also marketed as the 

Sun Zero Bergen Theater Grade 100% Blackout Rod Pocket Curtain Panel at Wayfair

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40"x84" Sun Zero Blackout Bergen Rod Pocket Curtain Panel Cream: Energy Efficient, Noise Reduction, Thermal Insulated at Target

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Sun Zero Bergen 1-Piece Theater Grade Extreme 100% Blackout Rod Pocket Curtain Panel, 40"X84", Cream at Walmart

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Bergen Theater Grade Cream Polyester 40 in. W x 84 in. L Rod Pocket 100% Blackout Curtain (Single Panel) at Home Depot

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