I bought these many years ago and never opened or used them. 

Includes "3 one-size replacement wristbands with clasps, and 1 fastener for additional security to prevent losing your One"

See pic of side of box for sizing

Colors are black, red, navy blue

From my non-smoking home.

Plastic overwrap on box is scratched and it was hard to get good photos.

See pics as part of description. 

This package has not been opened. I never used them.