Talon Phone Shell for Huawei Tap (Contempo Tree) There's no need to remove the phone's original body. Phone shells come in many different colors and designs making it easy to personalize and stylized your phone. Phone shells are hard plastic snap-on covers that protect your phone's body from typical wear and tear. The cases are easy to install. Generally, you snap on the pieces over the phone's existing body. Because each case is specifically molded to fit each specific phone model, all features of the phone are fully accessible with the case on.