Melodieux 46''W x 90''L Blackout Liner for Eyelet Curtains - 3 Pass Thermal Linings, Thermal Insulated Eyelet Grommet Curtains Liners for Living Room, Bedroom, Office (Black, 2 Pack) - Effortless Installation & Cost-Saving Upgrade -- No need to replace your existing curtains! This blackout liner easily hangs behind standard curtains, helping you have a full blackout or room darkening effect without spending extra on full new curtain sets. It’s also simple to remove whenever you want more natural light, making daily use super convenient. - Easy Installation -- Each panel includes silver detachable rings, inner diameter 1.5 inch, easy to install and durable to use. You can arrange in pairs with your grommet top/ rod pocket/ back tap curtains with double rods. - Powerful Light Blocking & Temperature Regulation -- Effectively blocks unwanted light, keeps the heat out during hot summers, and retains warmth in cold winters. It acts as a reliable thermal barrier to maintain a comfortable indoor temperature year-round, reducing the need for excessive AC or heating use. - Lightweight Yet Durable Triple-Layer Fabric -- Crafted from high-density polyester blend, this gray-white liner features a triple-woven structure that’s lightweight for easy handling but built to last. It physically blocks up to 80% of light and 99% of harmful UV rays, protecting your furniture, floors, and skin from sun damage. - Health-Safe & Privacy-Protecting Design -- Free of chemical coatings and harsh odors, this liner is safe for your entire family, especially kids and pets, ensuring a healthy living environment. Besides, it reduces street noise and prevents outside visibility, offering you both energy efficiency (lower utility bills) and a private, quiet space at home. Source ASIN: B0BFWF3X62