Persian cucumbers are of the Burpless variety, meaning they are easy to digest and have a pleasant taste. They are crisp, sweet and void of developed seeds. It is harvested when 4-6" in length, when they are at peak sweetness. They absorb flavors quickly, unlike garden cucumbers. They are sometimes marketed as seedless or burpless, because the seeds and skin of other varieties of cucumbers are said to give some people gas.
There are many varieties of cucumbers, but the 3 main are: slicing, pickling and seedless. Cucumbers are 95 percent water, making them a low-energy food.