Premium FabricThese thick blackout curtains are crafted from high quality 100% Polyester fabric.Super smooth to touch.Triple weaved fabricHigh Quality Grommets TopSilver grommets on top of curtain panel1.6 inch Inner diameter of each curtain ringHigh quality stainless steelSmoothly slidingEasy for installationNoise ReducingReduce outside noiseLower traffic noise.Reduce the noisy sound from neighborhoodCreate a good working and sleeping environment for youThermal InsulatedBlock out sunlight and UV ray ( Darker colors work better)Insulate against summer heat and winter chill to balance your room temperaturePrivacy protectionMachine WashableHand washable or machine washableDo not bleachWash our curtains with cold waterTumble dry low