Polyester Elegant Design: 1 panel per pack. Each blackout curtain is 150 wide x 200 long. The silver ring design (inside diameter 6cm) creates a casual elegance for your home making the curtains easy to install and slide. Beautiful Material: Super heavy and soft blackout curtain panels are very elegant. In addition they block 85% 99% of light provide thermal insulation soundproofing and energy efficiency. Thread trimmed and wrinkle free both sides are the same color. Good Performance: Protect your furniture and floors exposed to the sun while still heating and cooling your home. Privacy Protection. The biggest benefit is a good night's sleep leaving you full of energy every day. Easy Care: Good quality workmanship will last for years. Machine washable and wash at a water temperature below 86℉. Mild detergent no bleach. Iron on low heat. Do not use sharp objects that may scratch the curtains.