Photo 1 of SEEYE Blackout Light Blockers, PVC Light Blockers Side Tracks for Roller Window Shades and Blinds 100% Blackout L-Shaped Light Blocking Strips for Bedroom, Easy to Install(White, 16.9'', 8pcs)

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Photo 1 of SEEYE Blackout Light Blockers, PVC Light Blockers Side Tracks for Roller Window Shades and Blinds 100% Blackout L-Shaped Light Blocking Strips for Bedroom, Easy to Install(White, 16.9'', 8pcs)Photo 2 of SEEYE Blackout Light Blockers, PVC Light Blockers Side Tracks for Roller Window Shades and Blinds 100% Blackout L-Shaped Light Blocking Strips for Bedroom, Easy to Install(White, 16.9'', 8pcs)