Diamond Grain Silicone Smart Watch Band Replacement [Large Size] for Fitbit Charge3/Charge4 - Purple Eco-friendly silicone material, resistant to wear and tear Ergonomically designed wristband, soft and comfortable to wear Multi-color for option, meeting different style need Classic metal buckle, no slipping-off problem Multiple holes design for easy adjustment of size An ideal strap replacement for your old, broken oneSpecification: Material: Silicone Length: 128mm+105mm Width: 20mm Product weight: 18.2g Wrist circumference: 145-210mmCompatible with: Fitbit Charge3/Fitbit Charge4Package included: 1 x Watch Band Other items not included