Small Strong MagnetsThese cute black fridge magnets are small but strong and easy to move. Strong fridge magnets, each can hold up to 15 A4 sheets or more than 30 sticky notes on a whiteboard. High QualityThe small whiteboard magnets are plated with 3 layers of protective coating black paint + nickel + copper, which greatly protects the strong fridge magnets from corrosion and are stable. Perfect SizeThe fridge magnets measure 0.47 inches x 0.63 inches x 0.63 inches. They are small enough that they won't cover up what you're hanging. The ends of the whiteboard magnets make them easy to grip and move. What's more, they look beautiful. Wide ApplicationStrong fridge magnets for adults can play an important role in many life scenarios. Magnetic thumbtack magnets are suitable for whiteboards, fridge magnets, office magnets, classroom magnets, and map magnets. When your sticky notes, recipes, and work schedules are nowhere to be found, our strong whiteboard magnets may be just what you need!