Blush Blackout Curtains (2 Panels)Our blackout curtains are crafted from high quality solid and durable polyester. Each panel has 8 rustproof silver grommets measuring 1. 6 inch in inner diameter. These blackout curtains can reduce and block 85% 98% sunlight, balance the temperature inside and outside and provide a good night's sleep or good lounge environment. Machine washable in cold water, gentle cycle, tumble dry on low, do not bleach, low temperature ironing if needed.