Best Buy: GoPro HERO4 Silver Action Camera Silver GoPro HERO4 Silver
Original For Gopro Hero4 Silver Hero 4 Action Camera With Waterproof Case+battery + Data Cable - Body Parts - AliExpress
Amazon.com : SOONSUN Side Open Skeleton Housing Case for GoPro Hero 4 Black, Hero 4 Silver, Hero 3+, Hero 3 Cameras with LCD Touch Backdoor and Skeleton BacPac Backdoor for Extended Battery