Features: Brand new and high quality Made of high quality ABS+Silicone+Stainless Steel material, environment-friendly, safe, lightweight and durable. The battery cover does not hurt the body, built-in sponge has good cushioning, shock resistances, effectively prevents the battery against looseness. The battery cover has safe external adapter, reserving the interface, so it allow your camera to be directly charge without opening the side cover. Provide full for protections on the camera battery sides. While the outdoor activities, the camera may encounters stone, dropping, shock and more issue, which will damage the camera and battery life. This battery cover is good choice to avoid such problems. Fits for Go Pro Hero 11/10/9 perfectly. Specifications: Material:ABS+Silicone+Stainless Stee Color: Black Application:For Go Pro Hero 11/10/9 Size:Approx.49.5x16x17.8mm/1.94x0.63x0.7inches Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Battery Side Cover