Features:
Compatible For Fitbit Charge 2 Wristband Only, Not For Fitbit Blaze or other
Easy and direct installation and one button removal, no tools needed
Compression molding, sturdy and durable
Softness is moderate, wear very comfortable

The size can be adjusted according to the circumstance of individual wrist.
Material: Silicone

Size of Large: 12.5 9.5cm,
Size of small:11 8cm

Package Include:
1x  Replacement wristband for fitbit Charge (Not include watch)