Cattle panels are heavy mesh about 4 ft wide and 16 ft long. They typically cost between $25 and $40, and they can be flexed to create an excellent trellis that arches from one garden bed to another.
We use them most often to arch between raised beds in order to give climbing plants a good place to climb. It also makes a great feeling space once lush vines grow over it and your garden's harvest hangs down where it is easy to reach.
Below is an example of two sets of garden beds bridged by two cattle panels.
Because of the size of the cattle panels they are hard to ship, and we do not plan on selling them at this time. They are readily available at most farm supply stores.
Here are some places that do offer them: