Use the dropdown to see which bands correlate with which option. Once you select and option it'll bring you to the correlating picture.
Compatibility: Fitbit Inspire, Inspire 2, Inspire HR, Ace 2, Ace 3.
Material: Silicone Fitbit band.
Band Length: Fully adjustable to fit most wrists. There is a smaller to medium size and a medium to large size. Detailed size chart in pictures.