Was looking for and decided on this one for a Sigel glass magnetic board matching magnets. Decisions was the price and I found the shape and color appealing. Now the magnets have arrived and yes, they are stronger than conventional magnets unique but unfortunately that does not seal the glass magnetic board work! Holding force is zero, also see the colorful plastic body but not as high as hoped from. Still BUY recommendation for those who want to equip a conventional magnetic board.