Adjustable Size: The bands forFitbit Charge 3/Charge 3 SE available in large size and small size: Small size fits for 5.5 inch - 6.7 inch wrists. Large size fits for 6.7 inch - 7.8 inch wrists.
Made of Premium soft Silicone, Agency certified non-toxic materials, Eco-friendly and safe for the human skin.It is waterproof, Anti-sweat, rainproof.
Perfect Fit: Seamless match your Fitbit Charge 3
Water Resistance: These newest Charge 3 bands are sweat, rain and splash proof
Premium Material: Premium soft Silicone material gives you a comfortable wearing experience. Not fading and non-toxic.
Easy Replacement: Unique design of the clasp and buckle make you easy to change the strap and never fall off!
Dimension and Size: Suitable for Small (5.5""-6.7"") and Large (6.7""-7.8"") wrist.
You can adjust the size and tightness of the strap according to different occasions.