HWLL Light Gap Blockers for Blinds PVC Window Side Light Gap Blockers, L -Shaped Roller Blinds Curtains Edge Light Blocking Strips, 2 Pcs 100% Blackout Bedroom Shading Groove(White,78in/198.1cm)

【 Reduce Light Leakage 】: L-shaped groove Blackout Light Blockers are installed along sides of the window shades and blinds. It can block light from entering through the gap between the blades and the window frame. Create a more private and comfortable sleep space 【 PVC Light Blockers 】: Our blackout strips are made of light-absorbing PVC plastic, which is strong, wear-resistant and not easy to break. It is heat-resistant and heat-insulating, which can relieve indoor stuffiness in summer. 【 Customized Length 】: The size of the blackout side tracks is 2.3 x 3.6 cm (7/8" x 1 3/8"). The length can be customized, please contact us if you need it. (The light-transmitting gap should be between 0.25 - 3 cm (1/8 - 1 1/8") to ensure complete light blocking) 【 Easy to Install 】: After determining the installation position of the shading strip, test whether the blinds open and close smoothly, mark the drilling position, and then fix it to the window frame with screws. It is very simple and can be easily installed by one person 【 Widely Used 】: The window light blocker is very suitable for bedrooms, offices, home theaters or baby rooms, and any place where you can take a nap, creating a dark environment for you. Applicable to roller blinds, venetian blinds, zebra blinds, Roman blinds, etc. (Not suitable for cellular blinds)