Provide you a superior sleep experience by hanging ROOMNEST blackout curtains in your bedroom. ✅ Sound Proof Thermal Curtains: ROOMNEST room divider curtain are made with woven with 3 layers of durable polyester which are 20% thicker than ordinary curtains,The sound reduction effect is 10% higher than ordinary curtains, and its heat insulation effect is also 10% better than other curtains.