Description
【Why we need to install light blockers for shades】Most blinds and shades are smaller in width than the window to avoid the fabric rubbing against the wall when the blackout shade is raised or lowered. If your blinds or shades are always leaking some annoying light, then we suggest you install Persilux light blocking strips..【Latest U-shaped Aluminium Alloy Light Blockers】Persilux light blocking strips are made of thickened aluminum alloy track and would last. It is designed in a U-shap and installed along sides of the window shades and blinds. Achieve 100% stop the light from coming in through the sides of your blackout blinds & shades. Create a dark environment for you and helps protect your privacy and quality sleep..【Custom Light Blockers 】Optional length size:22-115in (2PCS). Please select the appropriate size for your roller blind after measuring the height under mounting bracket. No need to cut,all you need to do is fasten the light blockers on the window with screws,also the light blockers can be used repeatedly after removing the screws..【U-shaped Light-blocking Side Tracks】The blackout side tracks for blinds perfect for those who work at night and sleep during the day. Also, this blackout window inserts can provide you a dark environment when you want to watch a movie at home during the day one day. Works on roller shades and blinds,zebra shades, roman shades and more. （Cellular shades, honeycomb blinds not applicable）
