Fitbit Ionic two tone sports watch strap - L / Black + Grey

Two-tone Flexible Silicone Hollow Replacement Watch Band for Fitbit Ionic - L / Black + Grey Two tone design, modern outlook Soft silicone material with holes, fast heat-dissipation, comfortable to wear Metal classic buckle, safe and eco-friendly The size can be adjusted according to the circumstance of individual wrist Specification: Material: Silicone Length: 9.5cm + 11.2cm Width: 2.5cm Compatible with: Ionic Size: 100-190mm