These blackout curtains are crafted from high-quality, 100% Polyester microfiber. They are durable, naturally wrinkle-resistant, and machine washable. Avoid bleach for vibrant, long-lasting color. Available in 6 sizes and 9 stylish colors. Triple-weave technology provides professional-grade light blocking, with dark colors blocking 85%-99% of sunlight and light colors blocking 65%-80%. Creates ideal darkness for sleep or naps. Thermal insulation helps regulate room temperature, reducing energy costs year-round. Dense fabric construction effectively absorbs over 35% of outside noise. Features 8 silver grommets per panel with a 1.6" inner diameter, compatible with most standard and decorative curtain rods. Arrives thread-trimmed and wrinkle-free for immediate use.