GUNNLAUG, IKEA's soundproof curtain is almost too stylish to be practical | Livingetc
Amazon.com: NICETOWN Noise Insulation Curtain Panels, Pair of Energy Smart & 100% Blackout Echo of Sounds Reducing Drapes for Dining Room Window, Thermal Guest Room Lined Window Dressing(Grey, 52 x 84 inch) :
Deconovo Linen Look 100% Blackout Curtains 54 inches Long, Soundproof Light Blocking Curtains with Grommet, Thermal Insulated Curtains for Small Window(Cream, 52 x 54 inch, Set of 2) - Walmart.com