Amazon.com : GoPro BacPac Backdoor Kit (for Standard + Skeleton + Blackout Housing) (GoPro Official Accessory) : Professional Video Accessories : Electronics
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Amazon.com : GEPULY Skeleton Housing Case for GoPro Hero 4, Hero 3+, Hero 3 Action Camera Side Open Protective Housing Case with Skeleton Backdoor and LCD Touch Backdoor for GoPro Hero4, Hero3+,
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Amazon.com : SOONSUN BacPac Backdoor Case Cover Kit for GoPro Hero 3+ Hero 4 Standard Housing Case (Standard BacPac + Skeleton BacPac + LCD Touch BacPac) - BacPac Backdoor : Electronics
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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
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GoPro HD Hero Skeleton Housing Black | Diveinn
Back Open Skeleton Backdoor Case Cover for GoPro Hero 3+ 4 Silver Touch Display | eBay
Amazon.com : GEPULY Skeleton Housing Case for GoPro Hero 4, Hero 3+, Hero 3 Action Camera Side Open Protective Housing Case with Skeleton Backdoor and LCD Touch Backdoor for GoPro Hero4, Hero3+,
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Amazon.com : SOONSUN Blackout Side Open Skeleton Housing Case with Skeleton Backdoor for GoPro Hero 4 Black, Hero 4 Silver, Hero 3+, Hero 3 Action Cameras : Electronics