Window Light Blocker - Black 90" Set of 2 (Removable) - Blackout Side Tracks for Window Cellular & Roller Shades - Light Blocking Strips for Bedrooms, Nurseries and Media Rooms
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Color: Black
Size: 90" x 1.5" x 1.25"
Features
- Polopolene
- Removable & Magnetic Light Blocking Strips for Cellular and Roller Shades pop on and off easily. Perfect for tilt-in windows, cleaning, or removing screens without damage or hassle.
- Patented Foam Gasket Seal Exclusive to our Light Blockers for blackout shades, this soft foam compresses to fill uneven gaps and seal side light for a true blackout.
- Custom Fit & Sizes Trim window light blocker strips in minutes with scissors or tin snips. Available in 60, 72, or 90 lengths, perfect for bedrooms, nurseries, or media rooms.
- Covers Bigger Gaps & Lasts Longer Guard Blinds with wider side tracks block more light than standard light blocking strips, creating a darker, cozier space. Strong adhesive keeps light blockers for sides of blinds secure year-round.
- Easy Mounting on Any Surface Side tracks for blackout shades install best on smooth walls. For textured or uneven surfaces, simply screw in place for a snug, lasting fit.
Material: Polyvinyl Chloride (PVC)
Product Dimensions: 90"L x 1.5"W
Brand: Sleepy Time Tracks
Color: Black
Opacity: Blackout
Material: Polyvinyl Chloride (PVC)
Product Dimensions: 90"L x 1.5"W
Brand: Sleepy Time Tracks
Color: Black
Opacity: Blackout
Recommended Uses For Product: Indoor
Specific Uses For Product: Window
Room Type: Bedroom
Operation Mode: Automatic
Special Feature: Trimmable Length
Included Components: Optional Bottom Track, Two Side Channels
Shape: Rectangular
Number of Items: 500
Pattern: Solid
Product Care Instructions: Spot Clean Only
Size: 90" x 1.5" x 1.25"
Mounting Type: Outside Mount
Number Of Panels: 1
Water Resistance Level: Not Water Resistant
Control Type: Manual
Fabric Type: Polopolene
Number of Packs: 2
Manufacturer: Sleepy Time Tracks
Item model number: SleepyTimeTracks
Is Discontinued By Manufacturer: No
Item Package Quantity: 1
Number Of Pieces: 2
Special Features: Trimmable Length
Batteries Included?: No
Batteries Required?: No
Date First Available: September 9, 2018
Frequently asked questions
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Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Similar Products
Top Amazon Reviews
Color: White
Size: 60" x 1.5" X 1.25"
Customer service was fantastic. The product is easy to cut with sharp kitchen scissors and goes on easily. The dimensions were perfect for my window and blinds. And it works, blocking out most of the light from the sides of the blinds. I tried the cheaper knock off versions, but this was engineered better and worth the premium.
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Reviewed in the United States on June 12, 2024 by Dragan Draganov
Color: White
Size: 60" x 1.5" X 1.25"
These sleepy time tracks have been a total game changer! To give some background, I've got a baby, toddler, and older children who only sleep in past 6am if their rooms are DARK. In the past, we bought custom blackout blinds, but there was still light coming in the edges, so we had to use blackout material velcro-ed to their windows. BUT, I hated it because it was a pain to take off to let in light during the daytime when we were awake. So then comes along sleepy time tracks....They block at least 99% of light that came in the side cracks. It was super easy to install and their rooms are perfectly DARK! My kids and partner sleep excellent now and I couldn't be happier!!!!
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Reviewed in the United States on January 12, 2024 by Josh
Color: White
Size: 60" x 1.5" X 1.25"
These are great and the installation is so easy ! One of our windows (for the bedroom ) is shallow so I had to apply the sticker side v v v close to the edge of the frame and add the window blocking piece a little forward so that my blinds can go up and down easier. (My blinds are slightly big for the frame) - just Make sure your measure the depth of your window shade - see pic. The other window is really deep - and my husband applied it too far from the shade (he also applied to edge of window sill) so there is a little bit of a gap. So now we have to move the piece back so it blocks more light which shows the magnetic black piece. This works great though and the fact that it is magnetic allows us to be flexible with the blind placement is fantastic. Would recommend if the slits of light bother you !
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Reviewed in the United States on July 8, 2024 by Avid Amazon shopper Avid Amazon shopper
Color: White
Size: 72" x 1.5" x 1.25"
I am having the same issue as Rox (2018). They install very easy, but when I peeled the tape off and went to line it up on the wall it instantly stuck too far out on the bottom half. I went to remove it quickly thinking I could reposition and the paint was coming off with it. I immediately stopped and just left them where they were. It totally blocks out the light, I just wish I could have gotten them a little closer to the shade, it would have looked nicer. I won't be removing it though unless I want to paint the whole frame. Be aware of that. Maybe I should have peeled down halfway and positioned and then remove the rest. Ahhh hindsight. Anyway, I think they work as intended and really easy to install over all. Time will tell if they continue to adhere. I do think they cost too much though, but I had to get 2 sets 72" long. So far I think they're great and being that they seem to be the only company out there that has anything like this (I like the fact that you can remove the L shape strip to open the windows), they are worth buying.
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Reviewed in the United States on October 17, 2020 by Lisa Wichtendahl
Color: White
Size: 72" x 1.5" x 1.25"
We have an east facing window. We get beautiful sunrises. But we also get woken up way too early in the summer because of it. Prior to adding these, we'd installed blackout film and shades on the upper windows. And had blackout blinds and curtains on the ones we can reach. The sun was still waking us up. I installed these Sleepy Time Tracks this last weekend to block out the cracks between the shades and the window frame. The room is so much darker now that it's tough to get up in the mornings. That's not a bad problem. It's great to not have to get up with the sun anymore. They were easy to cut and install, too. I also want to commend the seller with their excellent packaging. Great product all around!
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Reviewed in the United States on July 24, 2024 by Ann
Color: White
Size: 60" x 1.5" X 1.25"
Is exactly what I was looking for. Came out perfect I cut it a little bit. But is amazing!!! Perfect solution for blackout the window.
Reviewed in the United States on October 26, 2024 by Jenn DO Jenn DO
Color: White
Size: 72" x 1.5" x 1.25"
These worked really well for blocking out the edge of my patio door. I just wished they were the color I ordered (White) on both sides.
Reviewed in the United States on February 13, 2025 by J
Color: White
Size: 60" x 1.5" X 1.25"
I'm surprised these aren't more widely available. In fact, I'm surprised the two-sided tape isn't sticking directly to the strip. I needed these since the shades leave a gap at the edges (and next door currently has painters on scaffolding looking in). It's not a huge problem but being able to shut out more light and more snooping is good. One suggestion I would give is to put a small hole toward the top and one toward the bottom of the strip so if we wanted to, we could screw in a small screw to hold this more securely over time. I know, I can and will do it but it would have just been nice to have already drilled small holes. Nov. 2020--have had two of these up now for a while and they do block out light coming in on the side of the blinds. However, the magnet band is fairly weak. When I have to move the venetian blinds to open the windows, they push the Side Tracks off the magnet. I wish they'd put one hole toward the top and one toward the bottom so if the buyer wanted to install it a little more permanently, we could. Also, with time the magnet seems to be getting weaker.
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Reviewed in the United States on November 13, 2019 by Nocturnal