We found this at ten stores including Wayfair, Target, and Amazon. This product sells from $10.13 up to $39.99. Users can save 74% by shopping at Walmart.

Prices are currently low for this product, typically ranging from $13 to $20, and the lowest price we've seen is $9.59.

This product is also marketed as the 

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

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52"x84" Sun Zero Blackout Oslo Theater Grade Rod Pocket Curtain Panel Pearl: Energy Efficient, Noise Reduction, Thermal Insulated at Target

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Sun Zero Malmo 1-Piece Theater Grade Extreme 100% Blackout Rod Pocket Curtain Panel, 52"x84", Pearl at Walmart

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Sun Zero Oslo Theater Grade Extreme Total Blackout Rod Pocket Curtain Panel, 52" x 84", Pearl at Amazon

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Sun Zero 84-Inches Pearl Blackout Standard lined Rod pocket Single curtain panel at Lowe's

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Alna Theater Grade Pearl Polyester 52 in. W x 84 in. L Rod Pocket 100% Blackout Curtain (Single Panel) at Home Depot

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