This is a quick park-and-grab. You can park two feet away from it.
About the Container
This container is about the same size and shape as a stack of seven Oreos. I made a comparison using actual Oreos for the sake of science. There is a Teflon seal inside the lid that should keep out water if you tighten it so it's snug.
About the Location
This spot is out in the open, so stealth is required, but it's not too close to any houses. If you drive there, you might want to park so that your car is between GZ and the neighbors across the street.
The hint will tell you precisely where to look, so don't read it ahead of time if you want to hunt on your own.