Belgian Flax Linen Rod Pocket Curtain Drape your windows with the Belgian Flax Linen Rod Pocket Curtain ($109-$129) from Pottery Barn. It's made with Belgian flax fibres and offers three hanging options. You can buy it with a cotton lining, or opt for a stronger blackout lining that will block light from flooding into the room. Image Source: potterybarn.com Belgian Flax Linen Rod Pocket Curtain $109 from potterybarn.com Buy Now