These are the same mounts already included with most HERO and HD HERO cameras. This package includes five curved, 3M™ adhesive mounts. 3M's innovative VHB 4991 adhesive backing ensures the mounts stay put, but can be cleanly removed when heat (eg. from a hairdryer) is applied.
Buy GoPro Curved Adhesive Mounts from Chain Reaction Cycles, the world's largest online bicycle store.