- High Grade N42: High Grade N42 (NdFeB) Neodymium Magnet, Each 20mm Dia x 2.5mm magnet's north and south pole are on opposite curved sides.
- High Quality Material: These Magnets Coated with Three Layers of nickel, copper and nickel to reduce corrosion and provide a smooth and clean finish.
- Permanent Magnet: As it's Permanent Magnet you can use them an unlimited number of times. remove the adsorbed items won't left any marks and stains, magnetism will not weaken.
- Multi-Function Magnets: These Magnets are very well suit for Arts, Crafts, Hobbies, Home and Office and so on.
- Please note: Do Not Put in Mouth or nose. These magnets have a very strong holding force, they are not a toy!