It blocks out upto 90% of the sunlight???does that mean also 90% of the UV rays?
1427339
For me? Noit is not. this shade Is too small and does not fit on the window on my Nissan.
320925
i put mine in and i dont have a reflector on mine it works fine i would think that it would block some of the uv light
665674
The slats on this screen are close enough together to block a lot of sunlight, but not all. Hope this helps.
979153
I am not totally sure of that answer, I just figured it was like clothes, if its covering up you aren't getting the full impact of the UV light, just like when you are out in the sun, your clothes protect your body. I think its better than not using them at all.
1657335
Yes, it blocks out the light. However if your puppy is like mine and can pulls the cover in the kennel he will shred it to pieces in a matter of seconds. It is a very light fabric that they can rip up.
722646
Yes, it is my understanding that it has everything to do withe the intensity of the light. It is not providing any UVA or UVB rays which might be filtered out by glasses. I wear my glasses while I sit next to my Happy Light and read or work on my computer. So does my mother.
193757
I suppose that indirectly it is, but it mostly blocks the damaging rays and then needs to be washed off. I wear it because I'm allergic to some of the ingredients in most regular products.
1415692
We use it in our motorhome to block more sunlight in the morning. We put these up using little velcro tabs and remove the shades when we pack up or if we just want the windows open for a breeze.
569335
Yes it has UV protection! It blocks out more sun than it looks like it would! I absolutely love this cover!!Don't know the weight but it's not really heavy! We covered our percula with it! Love it!
1725194
I purchased the dark tinted skylight and strongly assume it does block some uv light. I have not tested it to be certain.
666636
While I agree with the other response that it does not stick all that well to the window (make sure you put the right side to the window), nevertheless I am grateful for it. I use it on my side windows and just stick it up into the window crevice. It is easy to put up and down. In this way I can have protection from the sun in the front and side. I have no idea if it blocks the UV rays; I just need blockage from the sun in my eyes while driving. I use it all the time.
1507742
I had mine up for a few days (getting ready for a party). It will only partially block sunlight, it's just a semi-thin plastic material. It's very pretty but not practical for long term. It's funny I should receive this question though because I can actually point you in the right direction of something that will block out all light. I recently purchased 3 'Shift Shades' for my kids rooms. They're simple and not much to look at but they block out all light all day long!! You can look them up on Amazon, but I bought them directly from their site because it was cheaper. Hope this helped.
1517040
It depends on your definition of "some". Mostly it block the view -- very well -- shapes can be seen but not detail and although the windows I covered are under a full awning, I have noticed no reduction in sunlight.
1288896
I don't think so...it is a mesh material, not total sunblock, like a black out curtain.
1808
It appears to have a UPH rating of 50, which equates to blocking approximately 97.5% of UV rays. http://babybeachtents.net/genji-sports-pop-up-family-beach-tent-and-sun-shelter-review
1038949
I think It does. Mine are not exposed directly to the sun and yet the room is not dark. Other reviewers say that in a window facing south, It blocks heat and sun
238273
I do not know. However, windshields do block UVA rays. I do not know about the other rays.