Fleming
Computer
I will fix it.
Vinyl decal for central rings portion, hand-painted outer ring. Neodymium N52 magnet superglued in center. Foam block with another neodymium N52 magnet embedded into a slot. Velcro on backside of block to adhere to Velcro on unitard.  Simply slide the disc off and the magnets let go.  Remove Velcro block to unzip unitard.