Zabrian Aluminum Replacement Rear Snap Latch Standard Waterproof Housing Buckle Lock for Gopro Hero 3+camera, Blue Fits for Hero 3+ side-open / waterproof housing Allows the rear door to shut tight Dimensions: 5.5 * 3.5cm Material: CNC Aluminum Simple structure and lightweight Only for GoPro Hero3 +, top waterproof shell locking tab to send fixed;