These are my favorite backdrops. I bought two of the sturdiest kind and use them regularly. I love working with them and look forward to purchasing more.
These backdrops are a good product provided you're clear on exactly what they are. Your own satisfaction will be dependent upon your expectations. I had higher hopes than what I received but I don't feel in any way deceived. I just wanted them to be a little better than they are I think. Maybe it was my own fault but I couldn't seem to find enough of an explanation on the site to answer my own questions, so I just ordered a couple. In my case, I couldn't quite tell exactly how modeled or realistic the surface was going to be. Does it have pock-marks? Relief? No. It is not textured or modeled at all. It is just an image of concrete printed onto a laminated surface. This product works quite well for a number of applications (top down, shallow DoF, slightly wider compositions). And when the output is the web or other relatively lower-resolution requirements. Where it struggles is high resolution work where you begin seeing a breakdown in the quality of printing of the surface texture (I am shooting with a Nikon Z6 and Z7, 24MP and 45MP respectively). Also, because it's only printed and not textural, where certain lighting would begin showing the texture in the surface, revealing the unevenness or pock marks, you instead get a slight shine from a laminate surface and it becomes clear this is only a faux surface. I have included a tight crop of an image I made hopefully demonstrating how the contrasting highly textural food contrasts with the clearly lower-resolution backdrop texture. I don't mean to tear the product down as I think it can be very useful for a number of applications. Namely the one it advertises which is food blogging. You want to take photos of your food creations or widgets and post them to the web, in most cases, I don't think people would be the wiser that your surface is a thin, portable piece of laminated board. But if you need this to read genuine and work with high resolution output, you will be relatively limited in how you use these. They may work in a pinch but I will need to keep looking for something a little more true to concrete (but without the weight of concrete). These are pretty cool and I can't say I have run into too many alternatives so I have little to compare them to. I would recommend them, but with the above explanation. Again it all comes down to your specific needs and expectations. Hopefully my experience can help others better understand whether these will work for them!