The ACO went on the cheap this year and has probably purchased their bracelets with the same supplier as the turns-black-in-the-sun-tickets from a few years back.
Got my bracelet sunday at the the testday, and yesterday evening it gave up on me.
Bracelets from previous years still going strong
|https://thumbsnap.com/W7sQ1E1F
|https://thumbsnap.com/aSvcYiMH
|https://thumbsnap.com/S3A9GVD1
|https://thumbsnap.com/WzBoHoGP