SWEES Bands Compatible Fitbit Alta & Alta HR, 3 Packs Sport Silicone Breathable Replacement for Fitbit Alta & Alta HR & Ace Women Men Kids Small & Large (5.7" - 8.3"), Black, Grey, Navy Blue, Teal Fashion silicone bands fit for Fitbit Alta / Alta HR / Ace (Tracker is NOT included). Small size fits for 5.7"- 7.5" wrist, large size fits for 7.1"- 8.3", pin-and-tuck closure design allows you choose the most comfortable size for yourself. These Fitbit Alta HR bands are made of durable and soft silicone, waterproof, elastic, lightweight and environment friendly. It will be best choice for sport, exercise or yoga. The bands are made by High Quality TPU Material , which is breathable, lightweight and long lasting. It will never fade or dim. Variety of bright colors are great choices for men and women to personalize their Fitbit Alta HR and Alta.