For Fibit Alta/Fitbit Alta Bands/Fitbit Alta Band/Alta Bands only ,No Tracker
For Fitbit Alta Bands:The same size as Fitbit,Large(6.7-8.1"),Small(5.5-6.7").
For Fitbit Alta Band : Made of soft silicone material.wear comfortable on your wrist
For Fitbit Alta Wristbands:Metal clasps and silicone fasteners help Secure your fitbit alta bands,no worry of losing your fitbit alta
For Fitbit Alta Bands,CreateGreat Silicone Replacement Band with Customize Metal Clasp for Fitbit Alta/Fitbit Alta Bands/Fitbit Alta Band/Alta Bands,replacement or Refund without return,Risk Free