Can be used on Chatboards but not on cheaper glass boards

da polerne er vendt samme vej på alle magneterne

but it is very strong

Package of 4 white magnets with different happy quotes:

They could potentially damage your board and render it unusable

Sy-i-magnet knap rund Ø26 mm., mørk rosa julepynt Can be used on ChatboardsRose colored button magnets for sewing into clothes, curtains, etc., with buttonholes for easy attachment. It's super easy you don't even need a sewing machine; just a normal needle and thread. One unit contains two parts: one north and one south. Ordering 1 unit gives you 1 set, and ordering 10 units provides 10 sets. Generally, 5 button sets are adequate for a standard jacket or shirt, though preferences vary. This model is pink in a fuchsia shade