About this item Extremely Powerful Magnets-Each neodymium magnet has super strong adhesive force, can easily hold up to 22 sheets of A4 paper, photos, banknotes and other magnetic objects Caution: objects. not suitable for glass magnetic boardsSize: 12x16mm. High quality-The magnet is made of neodymium, which is one of the most powerful and permanent magnetic materials. The surface of the magnets is coated: nickel-copper-nickel. This protects the magnets from corrosion and prolongs their The smooth surface that can not radiate your magnetic plate or refrigerator. Very comfortable to use - They have a nice shape easy to grip, easy to install or remove. Broad scope of application : Can be used to collect or arrange photos, printing papers, notes, receipts and other items on chalkboard, refrigerator, bulletin board and other surfaces It can help you organize and save space anytime and anywhere. Color: silver Size: as shown in the picture Shipping quantity: 12