Sametop Helmet Adhesive Sticky Mounts Flat Curved 3M Mount Compatible with GoPro Hero 11, 10, 9, 8, 7, 6, 5, 4, Session, 3+, 3, 2, 1, Hero (2018), Fusion Max Cameras
【High Quality】The 3M manufactured VHB 4991 adhesive is the strongest and waterproof.