Can't stand light creeping around your curtains? These light blocking strips are here to save your sleep! Designed as L-shaped side barriers for blackout curtains and blinds, they completely eliminate those annoying light gaps. Made from light-absorbing PVC plastic that blocks 100% of outside light - perfect for creating pitch-black environments in bedrooms, nurseries, or home theaters. The customizable design means you can easily trim them with a hacksaw to fit any window size. Installation is super simple - no special tools required, just stick them on and enjoy instant darkness. Whether you're a night shift worker trying to sleep during the day, a parent creating nap-friendly conditions, or a movie buff building the perfect home theater, these strips make all the difference. The reliable quality ensures they'll last through years of use, and our support team is always here if you need installation tips. Seriously, if you've ever been frustrated by morning light ruining your sleep or glare on your TV screen, these affordable strips are the simple solution you've been looking for. Total darkness is just an installation away!