A solar eclipse is about to occur in the U.S. but, for those of you that are going to the eclipse site in California, there are several things you need to know about eclipse glasses.

If you plan to be there, we strongly recommend you go with the eclipse glasses you are going for.

But, if you’re just going to be in a few hours, or you’re in a couple of days, you should probably stick with the ones that will protect your eyes.

Here are five things you should know about solar eclipse sunglasses and how to choose the right one for you.