Source: Premier Pro Wash & Seal
We get asked all the time what these are. It’s tire shine and the silicone runoff in the tire shine does this. It’s most noticeable when it’s wet
[0:00] hey guys you ever wonder what those Halfmoon shaped looking things are on your concrete or your driveway as you see here especially when it's wet it's it's really pronounced you could really see it it's nothing more than tire shine that's all it is the armor-all from the tire shop it's the silicone within that armor or whatever you're using to shine your tires and rims that's what it is that's why it's always like a Halfmoon shape from the tire marks you can see this
[0:36] next time you see that