Blackout Light Blocking Strips for Roller Blinds - Grey, 2Pcs

About this item

• 【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）
• 【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.
• Installing light blockers for shades is important because most blinds and shades are narrower than the window to prevent the fabric from touching the wall when the blackout shade is moved. If you are experiencing light leakage with your blinds or shades, consider adding Persilux light blocking strips.