Polyester 【Exquisite Details】Joydeco Blackout Sliding Door Curtains are crafted from high-density polyester fabric—durable, wrinkle-resistant, smooth, and soft to the touch. With a sleek, modern design, they exude elegance. The top features multiple silver rust-proof grommets: not only stylish but also making installation a breeze. Neatly stitched edges add a premium, sophisticated look to elevate any room. 【Blackout Performance】Your go-to choice for adjusting indoor light! These curtains block over 75% of sunlight and outdoor glare, creating a cozier atmosphere in bedrooms, living rooms, and more. They also provide excellent privacy protection for your home. Pro Tip: Darker-colored curtains offer even better blackout effects.​ 【Versatile for Multiple Scenarios】Available in a variety of colors and sizes to meet your diverse needs. Perfect as door curtains, closet curtains, patio curtains, doorway curtains or decorative curtains—add both functionality and style wherever you need them. 【Heat Insulation & Energy Saving】Blocks 90% of UV rays and harsh outdoor light, helping balance indoor temperatures. Keeps heat out in summer and retains warmth in winter, reducing your heating and cooling costs—save money while staying comfortable year-round. 【Easy Care】Sturdy and stain-resistant, these curtains have no irritating odors. Machine washable for hassle-free cleaning, and safe for low-temperature ironing to keep them looking neat. Note: Do not bleach or cut with sharp objects.