Blackout curtains block 85% of sun rays. Thermal Curtains Triple layer helps create an energy barrier against extreme heat or cold Effective at keeping out cold in winter and blocking out the heat in summer, thermal insulated properties make them ideal for all seasons. Reduce noise and isolate your room from heat. Used for living rooms and bed rooms. Modern design rich steel grommets makes your curtain panel easy to close and open. Luxury fabric softener and comfortable. Many sizes Easy to clean with traditional methods of cleaning.