Tail springs are made from the stems to which Palmyra palm seedpods attach. With the seedpods removed, the flexible stems then get dried into curls, resulting in the tail spring. Because they are manipulated, they may not appeal to the purists who want to make their enclosure’s forest floor completely natural looking. Even so, they are still 100% natural products and we think they look very attractive and perfect for your more imaginative projects. They will uncurl quite a bit in humid environments.