PRICES MAY VARY. 【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 ZSTARR light blocking strips. 【Latest U-shaped Aluminium Alloy Light Blockers】ZSTARR 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:44-115in (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. It should be placed as close to the Blackout window shades as possible for maximum coverage. 【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. Apply to roller shades and blinds, zebra shades and more（Cellular shades, honeycomb blinds not applicable）. 【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)
