"LIGHT BLOCKING - Eclipse blackout curtains block out up to 99.9% of sunlight and harmful UV rays to ensure utmost privacy. Perfect for any living room, bedroom, kids room or nursery window! ENERGY EFFICIENT - Patented Thermaweave technology features blackout fibers woven into soft, drapable fabric to create a stylish, triple-weave technology thermal curtain. THERMAWEAVE - Thermaweave technology is designed to block out intrusive sunlight, reduces unwanted noise and offers thermal benefits, providing an insulated barrier against summer heat and winter chill to balance your room temperature and save on energy bills. EASY SETUP - Includes 2 blackout curtain panels (each panel measures 42"" wide and 54"" long) ready to be hung right away! SIMPLE CARE - Machine Washable"