I wear my Road ID pretty loose -- I can get two fingers inside it next to my wrist. No metal touches your skin with the band that I have, which they call the Wrist ID Sport.
http://www.roadid.com/p/the-Wrist-ID-Sport
Mine is yellow. The last line says "What would Jens do?"
- Gray 2010 carbon WSD road bike, Rivet Independence saddle
- Red hardtail 26" aluminum mountain bike, Bontrager Evoke WSD saddle
- Royal blue 2018 aluminum gravel bike, Rivet Pearl saddle
Gone but not forgotten:
- Silver 2003 aluminum road bike
- Two awesome worn out Juliana saddles