Magnet holder for keeping curtain open

This design is to hold 5 small 6mm*3mm magnet from (https://www.banggood.com/30pcs-N52-Super-Strong-Cylinder-Magnets-6mm-x-3mm-Rare-Earth-Neodymium-Magnets-p-977358.html?rmmds=myorder).

The holder is then taped on the wall to keep the curtain open, as the curtain also use magnet to keep itself closed.