Band For Fitbit Ionic, HWHMH TPU Sport Straps Accessory Replacement for Fitbit Ionic Smart Fitness Watch Large and Small Variety of Colors: 10 plain colors available for Fitbit Ionic Smart Watch Band Available in Large and Small size: L size for 6.7" -8.1" wrist, S size for 5.5" - 6.7" wrist Doesn't stick ash or fibre like silicone material. If you don't want to wash your silicone bands every morning, choose TPU bands Perfect Material: Durable and flexible elastomer material with strong water resistance. Comfortable to wear, eco-friendly and safe for the human skin Replacement bands are compatible with Fitbit Ionic smartwatch