Material: ABS Color：As shown in the figure Size：As shown in the figure Package Includes：1PC Function: The Frames allow you to easily mount your HERO4 Session to any GoPro mount. Includes a standard frame, plus a low profile frame, perfect for helmet and ultra-tight fit situations. Both frames work well in all situations, making The Frames the most flexible and convenient way to install your HERO4 Session. Pair your HERO4 Session with any GoPro mount Includes a standard bezel, plus a low-profile bezel for helmet and ultra-tight installations The protective frame provides a variety of camera placement positions, making device installation more flexible Easy access to shutter button and camera port in most installation configurations Regardless of your installation setup, the integrated tenon makes it easier to install and remove the camera NOTE: When you attach your GoPro to a helmet, be sure to select a helmet that meets applicable safety standards. Follow the helmet manufacturer's helmet safety instructions.