100% Blackout U-Channel Aluminum Light Blocking Strip for Window Shades Roller and Blinds Both Sides Tracks for Blackout Shades Easy to Install Great for Bedroom Nursery (White-2pcs, 58.5")

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• 【Why Install Light Blockers for Shades】Most blinds/shades are narrower than windows to avoid fabric rubbing, often causing annoying side light leaks. If your blinds or shades are always leaking some annoying light, then we suggest you install WINSMAR light blocking strips.
• 【Easy to Install】Size: 58.5 x 1.6 x 0.99 inches. Trim to fit roller shades with a cutting machine. Fasten to window frames with screws for easy installation. Reusable design allows removal and reinstallation. Place close to shades for maximum light blocking.
• 【U-shaped Light-blocking Side Tracks】These blackout side tracks for blinds are perfect for night shift workers who sleep during the day. They also create a dark environment for daytime movie-watching at home.Apply to roller shades. (Cellular shades and honeycomb blinds are not applicable.)Recommended for inside mount blinds.
• 【Multi-Purpose】The light blocking strips are versatile and suitable for many different scenarios in your home, including bedrooms, living rooms, kitchens, bathrooms, etc. to create a comfortable home environment.creating a dark, private environment to protect your privacy and enhance sleep quality.
• 【After-sales Service】We provide high-quality product and service for every customer, If accessories or products are missing or broken, please message us and we will resend the accessories or products. If you are not sure if your window type is suitable, please check with customer service before ordering. (Attention please the thickness of the lower rod should be less than 0.5in and the leakage of light should be less than 1.5in,otherwise the light blocker strip won't fit your roller shades).