Armor Style Silicone Smart Watch Replacement Strap for Apple Watch Series 4/5 44mm - Black Eco-friendly silicone material, resistant to wear and tear 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 one Specification: Length: 240mm Width: 25mm Wrist circumference: 15cm-20cm Material: Silicone Compatible with: Apple Watch Series 5 44mm Apple Watch Series 4 44mm Package included: 1 x Armor Style Silicone Smart Watch Replacement Strap Other items not included