In our home we go through so many rubber bases because we love to play wiffleball in the driveway, kickball, or anything else that we use bases for. So much fun! With that we do typically leave them outside and the sun and various weather conditions wear them down and they fade. We also have had so many that we know that quality matters and prices are all over the place at times for products like this. When I saw the glow in the dark I thought this would be great! We have lights on outside so we have not been able to fully use that feature. The other detail to notice with these is how they lay flat because of the quality of rubber. I have bought others that the edges curl up. I know this is great rubber quality because this set comes in a nice case. That was a fun additional surprise, that was rolled up and I immediately took them out to lay flat because it would take awhile. They came rolled up. I laid them out to flatten them. They were immediately flat! Nice! They are such good quality that when we are outside and there may be a wind gust it still stays put. That is awesome! These are the things you do not think about until it happens. I also appreciate the detail that there is a little lip on the base so you can feel a raised side. Nothing to trip you, but to get an edge to it. Those details cost extra money or time to produce as we have bought others that are completely flat. I will definitely buy this brand again because we go through bases.