About Magnetic HooksStrong magnetic hooks are made of high grade and exquisite quality rare earth neodymium magnet and steel. Compact and lightweight with strong force, which can be strongly attracted by iron, steel, nickel and other ferromagnetic material.WARNING1. Keep away from electronic devices (such as pacemakers or other types of electronic medical devices)2. Keep this product away from children. Under normal circumstances, this hook can not be swallowed, but if it is separated or broken state in the child swallowed by mistake should immediately seek medical attention3. Stay away from items with magnetic media, such as floppy disks, magnetic digital cards, magnetic tapes, and prepaid cards