Elitix Light Gap Blockers for Blinds U Channel Light Blocking Strips Aluminium Alloy for Roller Blinds, Office Window Light Blocker for Blackout Shades & Blind, Light Blockers(White,111.7cm/44inch)

Suitable for Gaps Between 0.5 And 3.81 cm: U-shaped metal roller blind blackout strips effectively block light from entering through the sides of blackout blinds, creating a comfortable environment for your baby Side Blackout Channels＞2.54cm: Heat-resistant window side light blockers must meet the requirement that the window depth is greater than 2.5 cm/1 inch, and the thickness of the roller blind should be less than 1.27 cm/0.5 inch Drilling Required Window Light Blockers: Blackout side tracks need to be marked and drilled during installation, aligned, and tightened with screws (screws included) Customizable Sleepy Time Tracks: Blackout side tracks are very sturdy, so cutting them may require a tin cutter or saw. To avoid the hassle of cutting, you can email us to request custom lengths Commercial And Concealed Blackout Strips: Suitable for honeycomb curtains, roller blinds, shutters, Roman shades, zebra shades, bedrooms, living rooms, blinds, roller blinds, zebra shades, Roman shades, and more