Check the listing for details. WITHit Silicone Band strap Kit for Fitbit Charge 3 (2-Pack) - Black/Gray/Blue. Color: Black/Blue, Condition: New other (see details). Listed at 6.99 USD. WITHit Silicone Band strap Kit for Fitbit Charge 3 (2-Pack) - Black/Gray/Blue Open box new Make your Fitbit Charge 3 more comfortable with this pair of WITHit bands. The breathable sport band and understated woven band are both made of durable silicone, and the straightforward connector mechanisms let you quickly attach or remove your fitness tracker as needed. These WITHit bands have stainless-steel watch-style buckles for quick size adjustments. FeaturesDesigned for Fitbit Charge 3 activity trackersFor a custom look.Silicone constructionProvides a lasting design.One size fits mostFor a comfortable wear on most wrists.Secure stainless-steel watch-style buckleReveals a quality style.2-packLets you keep an extra on hand.