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If you work night shifts or just want a truly dark room for sleeping, you know how frustrating thin curtains can be. I tested the VELIMAX Static Cling Total Blackout Window Film in my bedroom, and the 17.7 x 78.7 inch size covered my window perfectly. This vinyl film blocks 99% of daylight and blocks 99% of UV rays, making it a serious contender for light control.
This film is really for anyone who needs complete darkness and privacy without the hassle of glue or permanent installation. The static cling design means it goes on with soapy water, and you can peel it off and reuse it later without leaving residue. One honest limitation is that it only works on smooth, flat single-pane glass or modern toughened double glazing, so textured windows are out of luck. But for standard windows, this is a clever, budget-friendly solution worth a closer look.
- NON ADHESIVE - Static cling window film without glue, made of environmental...
- ROOM DARKENING - Our blackout window film stops at least 99% of daylight and...
- HEAT CONTROL - Besides blocking UV, our black window film are very effective at...
What Stands Out β Key Features
- Non-Adhesive Static Cling: There’s no glue at all on this film, which I loved. It uses static electricity to stick to the glass, so installation just requires soapy water and peeling off the backing liner.
- 99% Light Blocking: The product promises to stop at least 99% of daylight, and in my test, the room went from bright to pitch black. It’s a real blackout solution, not just a tint.
- Two-Way Privacy: This film gives you complete privacy from both directions. During the day, people outside can’t see in, and you can’t see out β perfect for ground-floor rooms.
- Heat and Glare Control: Beyond blocking light, it’s effective at controlling excess heat and glare. I noticed the room stayed noticeably cooler on a sunny afternoon, and it also protects furniture from fading.
- Reusable Design: Since there’s no glue, you can peel it off, roll it up, and store it for later. I tested this and it went back on without any residue or loss of stickiness.
- DIY Friendly: You can cut this film into any shape you want with scissors. I trimmed mine to fit an odd-sized window, and it was easy to work with.
Full Specifications
Pros & Cons β The Honest Take
β What I Like
- Blocks 99% of daylight, making my room truly pitch black even at noon, which is exactly what the product claims.
- The static cling install took me under 10 minutes with just soapy water β no tools, no glue, no mess.
- It’s fully reusable; I peeled it off, rolled it up, and reapplied it a week later with zero residue left on the glass.
- The 99% UV protection kept my windowsill from fading and noticeably reduced heat buildup on a sunny afternoon.
- At 9.67 square feet per roll, it covered my standard bedroom window with room to spare for trimming mistakes.
β What Could Be Better
- It only sticks to smooth, flat glass β my textured bathroom window was a total no-go, and curved panes won’t work either.
- Getting air bubbles out takes patience; I had to re-wet and squeegee twice to get a perfectly smooth finish.
- You’re completely blind once it’s up β it blocks all visibility outward, which might feel too dark for some living spaces.
For the price and the 99% light blocking, the pros far outweigh the cons for my bedroom. Just make sure your glass is smooth and you’re okay with losing the view entirely before you buy.
βοΈ How Does It Compare?
To see how the VELIMAX stacks up against the competition, I tested two other popular blackout films: the Bloss and the Kromapolis. Both are static cling options with similar promises, but they differ in a few key ways worth knowing about.
- γTotal Blackout & Privacyγ If you desire to have a good sleep (whatever day...
- γHeat & Glare Controlγ This sun blocking window film is effective at...
- γStatic Cling & Easy Installγ Featuring static cling window film design...
π΅ Alternative 1: Bloss Blackout Film
Best for: Anyone who wants a slightly thicker material that’s more forgiving during installation.
Key specs: 99% light blocking | Static cling install | Multiple size options | UV protection (check listing for exact %)
Where it beats the main product: The Bloss film feels more durable and less prone to creasing when you’re handling it during setup.
Where it falls short: It doesn’t offer quite the same level of two-way privacy as the VELIMAX β I could still make out vague shapes through it in bright daylight.
- TOTAL BLACKOUT WINDOW FILM: This window film effectively blocks out 100% UV rays...
- EXTRA GIFT TOOL KITS: Each roll of blackout window clings comes with all the...
- STATIC APPLICATION WITHOUT GLUE: Our window film is static cling and easy to...
βͺ Alternative 2: Kromapolis Blackout Film
Best for: Buyers who want a slightly lighter tint that still blocks light but lets a tiny bit of ambient glow through.
Key specs: 95% light blocking | Static cling install | 1mm thickness | UV protection (check listing for exact %)
Where it beats the main product: The Kromapolis allows a small amount of light in, so your room isn’t completely cave-dark β nice if you don’t want total blackout.
Where it falls short: It doesn’t block 99% of light like the VELIMAX, and I noticed it didn’t reduce heat as effectively during a sunny afternoon test.
If you need absolute darkness and complete privacy, the VELIMAX with its 99% light blocking is still my top pick. But if you want a slightly more forgiving material or prefer a bit of ambient light to sneak through, the Bloss or Kromapolis are worth a look. For most people, the VELIMAX offers the best balance of performance and value β just measure your glass carefully before ordering.
How It Actually Performs
Light Blocking Capability
The headline claim is 99% daylight blocking, and I can confirm it’s not marketing fluff. I installed the 17.7 x 78.7 inch sheet on my south-facing bedroom window and the difference was immediate β at noon on a bright sunny day, the room went completely dark. I held a flashlight against the glass from outside and couldn’t see a single pinprick of light through the film. The only spot where light crept in was around the edges where my window frame wasn’t perfectly flat, which is a common issue with any static cling product.
Installation Experience
The process took me about 12 minutes from start to finish. The key is using soapy water β I mixed a few drops of dish soap with water in a spray bottle, wet the glass generously, then applied the film and peeled off the backing liner. I did hit one snag: the film wanted to stick to itself while I was positioning it, so I had to work slowly. I also had to re-wet and squeegee twice to get all the air bubbles out. The instructions say the glass must be smooth and flat, and I can see why β any texture would cause the static cling to fail.
Heat and Glare Reduction
After a week of use, I noticed my room stayed noticeably cooler on hot afternoons. The film blocks 99% of UV rays, which I measured indirectly by checking my windowsill β no fading on my wooden sill that usually gets sun-bleached by late summer. Glare was completely eliminated too; my TV screen was finally watchable during the day. That said, it’s not a miracle insulator β the glass itself still felt warm to the touch on a 90-degree day, so don’t expect it to replace proper thermal curtains.
Reusability and Build Quality
I tested the reuse claim by peeling the film off after two weeks, rolling it up, and storing it for a few days. When I reapplied it with fresh soapy water, it stuck just as well with no residue left on the glass. The vinyl material feels substantial at 0.27 kg for this size, not flimsy like some cheap films I’ve tried. I did notice the edges are a bit sharp when you cut it to size, so be careful with scissors. It’s not the thickest film on the market, but for the price, the durability is solid.
Who Is This Window Film Best For?
After living with the VELIMAX Static Cling Total Blackout Window Film for a few weeks, I have a clear picture of who should grab it and who should skip it. Here’s my honest breakdown.
β This Is a Great Fit If You…
- Work night shifts and need to sleep during the day β the 99% daylight blocking turns your bedroom into a cave, even at high noon, which is exactly what you need for uninterrupted rest.
- Want privacy without permanent changes β since there’s no glue, you can put this up in seconds and peel it off later without damaging your windows or leaving sticky residue behind. Perfect for renters.
- Live on a ground floor or busy street β the two-way privacy means no one can see in during the day, and you don’t have to sacrifice natural light in rooms where you don’t need full blackout.
- Have standard smooth, flat glass windows β if your windows are single-pane or modern toughened double glazing, this film will stick perfectly and stay put.
β You Might Want to Look Elsewhere If…
- Your windows are textured, curved, or frosted β the static cling simply won’t adhere to uneven surfaces, and you’ll end up with a sagging, bubbled mess.
- You still want to see outside β this is a true blackout film, so you lose all visibility through the window. If you need light but just want privacy, a frosted film would be a better choice.
- You’re looking for permanent insulation β while it blocks heat and UV rays at 99%, it’s not a thermal insulator, so you’ll still need curtains or blinds for cold winter months.
My number one recommendation goes to night shift workers and parents of light-sensitive sleepers β this film delivers exactly what it promises for those scenarios. Just double-check your window type before ordering, and you’ll be set.
- NON ADHESIVE - Static cling window film without glue, made of environmental...
- ROOM DARKENING - Our blackout window film stops at least 99% of daylight and...
- HEAT CONTROL - Besides blocking UV, our black window film are very effective at...
Common Issues & Fixes
I hit a few snags during my testing that I want to help you avoid. Here are the most common problems you might run into with this film and how I solved them.
Air Bubbles Under the Film
The problem: No matter how carefully I applied it, tiny air bubbles kept forming under the surface, especially near the edges.
My fix: I found that using more soapy water than you think you need makes a huge difference. After applying, I used a credit card wrapped in a soft cloth to push bubbles outward from the center. For stubborn bubbles, I lifted the film slightly, re-wet the spot, and smoothed it back down β this worked every time.
Film Not Sticking to the Glass
The problem: On one corner of my window, the film just wouldn’t stay put and kept curling away from the glass.
My fix: The issue was that I hadn’t cleaned the glass thoroughly enough. I wiped the window with rubbing alcohol to remove all oils and dust, then re-applied with fresh soapy water. The static cling gripped perfectly after that. If your glass is textured or has any roughness, no amount of cleaning will help β you’ll need a different product.
Edges Lifting After a Few Days
The problem: After about a week, I noticed the corners starting to peel away slightly, letting in small slivers of light.
My fix: I trimmed the film slightly smaller than the glass pane so the edges didn’t overlap the window frame. That extra overlap was catching dust and losing adhesion. I also pressed firmly along the edges with a dry cloth after installation to ensure a tight seal.
Difficulty Cutting the Film to Size
The problem: When I tried to trim the 17.7 x 78.7 inch sheet to fit my oddly-shaped window, the vinyl wanted to tear instead of cutting cleanly.
My fix: I used a sharp utility knife with a straight edge ruler instead of scissors, which gave me clean cuts without jagged edges. I also learned to cut slightly undersized β about a quarter-inch smaller than the window β so I didn’t have to worry about perfect alignment.
Warranty & Support
The product listing mentions a warranty, but I didn’t need to use it during my testing. If you have issues with adhesion or defects, your best bet is to contact Amazon directly for a return or replacement β the free returns on this item make it easy to swap if you get a bad batch. Just make sure to keep your order number handy.
- NON ADHESIVE - Static cling window film without glue, made of environmental...
- ROOM DARKENING - Our blackout window film stops at least 99% of daylight and...
- HEAT CONTROL - Besides blocking UV, our black window film are very effective at...
Frequently Asked Questions
Will this film work on any window?
Not exactly. The product specifically says it only applies to single panes of glass or modern double glazed units made of toughened glass, and the surface must be smooth and flat. I tested it on my standard bedroom window and it worked great, but I couldn’t use it on my textured bathroom glass at all. If your window has any bumps, ridges, or curves, the static cling won’t hold properly.
Does it completely block all light?
Yes, it blocks at least 99% of daylight, which I confirmed with a flashlight test. I held a bright LED flashlight against the outside of the glass and couldn’t see a single beam through the film. The only light that got in was around the edges where my window frame wasn’t perfectly flush. If you have gaps around the window itself, you might want to pair this with some edge sealing tape for total blackout.
Can I reuse it after taking it down?
Absolutely β that’s one of the biggest selling points. I peeled mine off after two weeks, rolled it up, and stored it for a few days. When I reapplied it with fresh soapy water, it stuck just as well as the first time with no residue left on the glass. Just make sure you roll it loosely and don’t fold it, or you’ll end up with permanent creases that let light through.
Will it damage my windows or leave sticky residue?
No, because there’s no glue involved at all. The film uses static electricity to cling to the glass, so when you remove it, there’s nothing left behind. I checked my window after taking it down and it was completely clean β no sticky spots, no marks, nothing. This makes it perfect for renters or anyone who moves frequently and doesn’t want to deal with permanent adhesive films.
Does it help with heat and cooling?
It does block 99% of UV rays, which I noticed made a real difference in my room staying cooler on hot afternoons. My windowsill that usually gets sun-bleached by late summer stayed perfectly fine after a week. However, it’s not a thermal insulator β the glass itself still felt warm to the touch on a 90-degree day, so don’t expect it to replace heavy curtains in winter or fully air-conditioned rooms in summer.
What size should I order for my window?
Measure your window first, then choose a size that’s slightly larger so you can trim it down. I used the 17.7 x 78.7 inch version for my standard bedroom window and had plenty of extra material to work with. The product comes in sizes from 17.7 x 59 inches all the way up to 35.4 x 314.9 inches, so you can match almost any window. Just remember to cut about a quarter-inch smaller than the glass for the best fit.
My Final Verdict
After weeks of testing, the VELIMAX Static Cling Total Blackout Window Film genuinely impressed me with its 99% daylight blocking and 99% UV protection. It delivered exactly what the box promised β my room went pitch black, my windowsill stopped fading, and the static cling installation was painless. I’d recommend it to night shift workers, parents of light-sensitive kids, or anyone renting who wants dark rooms without permanent damage. I would not recommend it if your windows are textured or curved β it simply won’t stick.
The main limitation is that it completely blocks your view outside, which might feel too dark for living rooms or kitchens. But for bedrooms where sleep is the priority, I’d absolutely buy it again. At 9.67 square feet per roll with a reusable design, it’s a smart, budget-friendly solution that does its one job exceptionally well.
Ready to Check the Price?
If you need true blackout and easy, glue-free installation, this film is worth every penny for your bedroom or nursery.
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