It is a magnet in a "piston"

It's super flexible and easy to cut with a good pair of scissors or a sharp hobby knife

you don't understand why you haven't bought one before

Neodymium ring magnet | Permanent magnets

Hook opening: 1

Smiley Magneter, 3-pak MIX - Kraftige magneter BF Tier1 It is a magnet inA pack of three (3) different smileys: Happy (Green) Sad (Red) Neutral (Yellow) Strong magnets with smileys printed on them. These magnets will easily be recognized visually on your board. Colors are internationally symbolic and readily recognized, and it therefore does not even require that you know the same language to be able to show a state of being easily. SPECIFICATIONS Strength: approx. 1. 5 kg. Diameter: 3. 26 cm. Height: 0. 9 cm. ATTENTION!