Fit your smartwatch with this Fitbit Charge 4 sport band. Large perforations allow breathability and improve comfort, while the aluminum buckle enhances its security while you are on the move all day. This stylish Fitbit Charge 4 sport band is made of silicone, which is easy to clean and stain-resistant. Silicone material Offers durability and comfort. Large size Ensures a proper fit. Designed for Fitbit Charge 4 For a custom look. Buckle clasp Keeps your smartwatch secure on your wrist.