The PolarPro Lens Cover / Gimbal Lock provides an easy to install way to protect your camera lens and gimbal. The Phantom 4 lens cover simply pushes onto the gimbal and camera to provide protection while traveling. Designed specifically for use with PolarPro Phantom 4 Filters the Lens cover will work with the filters installed, or with the Stock UV filter. Constructed out of glass filled nylon with a rubber coating the P4 Lens cover is rigid with a soft finish. PolarPro Lifetime warranty ensures it will last.