Search  for anything...
ZSTARR

Custom Aluminium Alloy Light Blockers u-Channel Blackout Light Blockers Side Tracks for Window Shades and Blinds Side Tracks for Blackout Shades Light Blocking Strips for Bedroom 2Pcs

    • Based on 132 reviews
Condition: New
Checking for product changes
$89.99 Why this price?

Buy Now, Pay Later

As low as $15.00 / mo
  • – 6-month term
  • – No impact on credit
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout. Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Affirm, Afterpay, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

This item is non-returnable

View our full returns policy here.

Availability: In Stock.
Fulfilled by ZSTARR Warehouse
Arrives Dec 1 – Dec 9
Order within 13 hours and 45 minutes
Available payment plans shown during checkout

Color: U Channel Custom


Size: 44''-115''


Features

  • Aluminium Alloy
  • Imported
  • Why we need to install light blockers for shadesMost blinds and shades are smaller in width than the window to avoid the fabric rubbing against the wall when the blackout shade is raised or lowered. If your blinds or shades are always leaking some annoying light, then we suggest you install ZSTARR light blocking strips.
  • Latest U-shaped Aluminium Alloy Light BlockersZSTARR 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:45-115in (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.
  • U-shaped Light-blocking Side TracksThe 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)
  • 100% SATISFACTION:We provide high-quality product and service for every customer, If accessories are missing or broken, please message us and we will resend the accessories ASAP. And you have any questions please feel free to contact us, we will solve it for you within 24 hours.
  • Attention Please The thickness of the lower rod should be less than 0.5in to fit the width of the light blockers,and leakage of light should be less than 1.5in,otherwise it won't fit your roller shades.

Department: for window


Manufacturer: ZSTARR


Country of Origin: China


Item model number: U40


Specific instructions for use: Nursery/Baby, Home Décor


Fabric Type: Aluminium Alloy


Care instructions: Spot Clean


Included Components: User Manual


Import: Imported


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Dec 1 – Dec 9

This item is non-returnable:

This item is non-returnable

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

    • A little expense for what they are, but they do work and are made well
Color: U Channel Custom Size: 44''-115''
Review Image by E Reed E Reed
I have a Yoolax roller shade in my bedroom that is surface mounted on a window. Quite a bit of light gets past the edges when closed, so I bought these to help cut down on the light leakage. These are very sturdy and have a soft fabric "brush" on the inside edges to protect the edge of the window shade. I had to shorten these channels to fit my windows, I just used my table saw with a fine tooth blade to cut through the aluminum channel. The plastic cover on both ends is removable, just make sure to clean out the channel as there are some grooves that the end piece needs to fit in to lock it in. I used a thin run of double sided tape to adhere these to the outside trim of the window. The weighted bottom of the Yoolax shade fits nicely in the channel and the shade still opens and closes without binding. Looks nice and the color is very close to the metal valance of my roller shade. ... show more
Reviewed in the United States on March 17, 2024 by E Reed E Reed
    • Good customer service
Color: U Channel Custom Size: 44''-115''
The U channels were heavy duty & easy to install. My first order did not arrive because it was lost in the great void of the DHL/USPS hand-off (they'll probably be found in the processing facility in Atlanta 15 years from now.) The vendor responded quickly to my messages & had replacements sent out to me immediately. ... show more
Reviewed in the United States on April 12, 2024 by Amazon Customer
    • Two sided tape was missing but a perfect fix
Review Image by C. Forr C. Forr
Review Image by C. Forr C. Forr
Review Image by C. Forr C. Forr
This product works well. We had a professional company install black out shades because of the morning sunshine. But we still had HUGE amounts of sunshine coming thru. This product does well. We are going to need to run to the hardware store because the tape was missing on some of the product.
Reviewed in the United States on September 28, 2023 by C. Forr C. Forr
    • Works really well!
Color: L Channel White-4pcs Size: 79"
Review Image by Hannah C Hannah C
Review Image by Hannah C Hannah C
Review Image by Hannah C Hannah C
Review Image by Hannah C Hannah C
Really blocks out light coming from side of our blinds! Easy to install, but need a saw if you need to trim excess height off. First box arrived damaged, but the window I needed it for was short enough that we could use the straight part below the damage. The other four pieces were delivered without damage. Beware that the sticky side sticks HARD so don’t place it until you’re ready. Functions 10/10, delivery was hit or miss. Should probably be packaged with more protection. ... show more
Reviewed in the United States on December 13, 2023 by Hannah C Hannah C
    • Looks great and easy to install
Review Image by Ivan C. Ivan C.
Review Image by Ivan C. Ivan C.
I have roller blinds in my bedroom which means that there was a 0.5”-0.75” gap on each side so I bough 5 pairs of these and now my room is much darker. They look clean and made of thick material. The 3M tape is pre-installed so you just have to measure twice, cut to size and stick it to your window pane. Some reviews mentioned that it is hard to cut. I have a miter saw so I cut through these easily but since they are made with thick plastic, I wouldn’t advise trying to cut them with shears. At a minimum you’d need a hand saw. I had an issue where one of my orders wasn’t as wide as the other and seller sent me a replacement set right away. Don’t worry about these being too wide because they still look great. See my pics. Not 100% blackout because it depends on how your roller blinds were install but for my family, it’s given us 2-3 hours more sleep with the early daylight we get in Southern California. ... show more
Reviewed in the United States on July 30, 2023 by Ivan C. Ivan C.
    • Great product
Color: L Channel Grey-2pcs Size: 57.5"
I found these because I had been searching for something that could block out the afternoon sun from next to the miniblinds in my home office. I was getting tired of moving my chair to avoid having the sun in my eyes. These were easy to install and they are just what I was looking for. The color is very close to the color of our mini blinds too. ... show more
Reviewed in the United States on January 12, 2024 by Retired Senior Chief Petty Officer
    • Arrived bent - unusable, box undamaged
Color: L Channel White-2pcs Size: 79"
Review Image by Sandy B. Sandy B.
Review Image by Sandy B. Sandy B.
Reviewed in the United States on April 27, 2024 by Sandy B. Sandy B.
    • Good, but some small improvements can make it perfect
Color: U Channel Custom Size: 44''-115''
I have roller blinds that let in a ton of light through as a result of direct sunlight on the window. This was able to get rid of a large amount of it, but it did let through a significant amount. However, with some modifications of my own, I got it working perfectly, and I dare say not a single photon makes it around the inside of the track. 1. Make the inside of the track black somehow, like with spray-paint. With all three sides on the inside black, that absorbs like instead of reflect it like the bare aluminum does. This alone reduces the amount of light leaking through by like 80%. 2. Use larger brush strips. At least for me, the brushes didn't really block much light that was reflected around. Fortunately they can just be removed and replaced. So I bought some rolls of brush weatherstripping myself - You will need some that has a width of 5mm width or 3/16 inches. The brush length required will depend on your situation, but I actually found a combination of two lengths worked best. For the "inside-side" I used half-inch length brushes (so 5mm x 12mm brush weatherstripping), and on the "outside-side" I used 5mm x 8mm. This is because I found with just the 8mm width ones, it still let some light through, and the 12mm ones would have prevented the bottom bar thing from moving. But this combination allowed movement of the roller blinds and still seems to go right up to the blind, therefore blocking any rest of the light. You can try other combinations of brush length though. Otherwise, it was convenient that they cut the tracks to size and also drilled the holes, and they shipped it faster than expected. So to sum up, the main improvement I think they should do is paint the inside of the track black. I also think the brushes should be a bit longer by default, but that's not as big a deal because you can just buy replacements. ... show more
Reviewed in the United States on October 20, 2023 by Joe Thio

Can't find a product?

Find it on Amazon first, then paste the link below.