Fitbit Ionic Band, Soft Silicone Sport Accessory Replacement Adjustable Perforated Wristband for Fitbit Ionic Smart Fitness Watch Compatibility: The personalized replacement band is perfect fit for your Fitbit Ionic Smartwatch.(Fitbit Ionice Smart Watch is NOT include) Sport Ventilation Design: Fitbit Ionic replacement wristband use three rows of ventilation holes.Soft silicone perforated are not only easy to wear, but also help your hands "breathe".Bring you comfortable dressing experience Security Protection: Stainless steel buckle, Lightweight and durable silicone retaining ring,connect and secure the strap to avoid loosening and dropping.Perfect for daily wear and exercise Adjustable Length: The wristband size can be adjusted according to the personal wrist 7 inch(180mm)-8.7 inch(220mm).In most cases, free size for both men and women Saler Warranty: We offer 30 days return without any reason, 90 days replacement if there is any quality problem about the product.If you have any questions, please feel free to contact us