Fitbit Ionic hollow two sports watch strap - Grey + Yellow

Dual-color Silicone Hollow Watch Strap for Fitbit Ionic - Grey + Yellow 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: 8.3cm + 9.5cm Width: 2.5cm Compatible with: Ionic Size: 85-160mm