Dual Pin Buckle Silicone Watch Strap for Apple Watch Series 4 40mm, Series 3/2/1 38mm - Midnight Blue Soft silicone material, fast heat-dissipation, comfortable to wear Dual pin buckle, safe and eco-friendly The size can be adjusted according to the circumstance of individual wrist An ideal strap replacement for your old, broken one Compatible with: Apple Watch Series 4 40mm Apple Watch Series 1 38mm Apple Watch Series 2 38mm Apple Watch Series 3 38mm Package included: 1 x Dual Pin Buckle Silicone Watch Strap Other items not included