You are looking for a small, black, plastic box with room for small swaps. There is no pen/pencil in it so make sure to bring your own. It is next to, but not on, some private land; there is a dividing fence that is partially flattened in places so make sure not to go past it. If you do go past the fence then you are looking in the wrong place! Also, in the summer be aware that there are often a few stinging nettles in the area.
This is my first hide. Feedback and advice would be welcome.