DigiPower Lens Protector for GoPro HERO3 (12-Pack) LP-GPH3+ B&H
Amazon.com : Frame Mount Housing Case for GoPro Hero 4 3 3+ Action Camera - Frame Housing Case with Basic Buckle, Long Thumb Bolt Screw, UV Protective Lens, Lens Cap, and Side
RibCage Back-Bone Lens Mount Mod Kit For Gopro Hero3 Hero3+ Plus / SC-BBRC / Stuntcams - Stuntcams
Gopro holster Protective Leather Case Bag For Gopro Hero 3/3+/4+camera chip on+Sling Mount Go Pro Accessories Full Cases cover|for gopro hero|camera bag camera casebags for gopro - AliExpress
Give Your GoPro HERO3 Interchangeable Lenses with the Back-Bone Ribcage
Neewer Camera Protective Lens for HD GoPro Hero 3 Hero 3+, Hero 4, 2 Pack - Walmart.com
Luxebell Frame Border Mount Housing with Protective Lens Cover for Gopro Hero 4 3+ and 3 with Bacpac Screen or Battery - Luxebell Official Webiste