Diameter: D19 mm
Height: H 25 mm
Body: plastic -
Material: NdFeB (Neodymium + Iron Boron Alloy)
Magnet coating, body color: NiCuNi (nickel), available colors: white, yellow, black, blue, orange, red, purple, green;
Stickiness: min. 24 sheets DIN A4
Weight: 8 g 

Magnetic Push Pins Refrigerator Magnets Strong Fridge Magnets Whiteboard Magnets Map Magnets Perfect for Home Kitchen Office School Classroom