This WITHit 3-pack of bands are made from high-quality silicone. Compatible with Fitbit Charge 3 & 4. This reliable watch band style means you can trust it to stay in place. Plus, the stainless steel buckle closure is adjustable with multiple size options for your ultimate comfort. It?s a great WITHit band for use with the Fitbit Charge 3 & 4. The WITHit band is sized to fit most wrists and hardware is included to easily and securely lock band into watch. Please note the Fitbit device is not included; bands are sold individually.Compatible with Fitbit Charge 3 & Charge 4.This reliable watch band style means you can trust it to stay in place. Plus, the stainless steel buckle closure is adjustable with multiple size options for your ultimate comfort. The WITHit band is sized to fit most wrists and hardware is included to easily and securely lock band into watch.Please note the Fitbit device is not included