Color Changing Silicone Smart Watch Strap Adjustable Wristband for Apple Watch Series 6/5/4/SE 44mm / Watch Series 3/2/1 42mm - Blue to Green Soft silicone material, eco-friendly and comfortable to wear The color of watch band will change under sunlight Holes on the strap makes it easy to adjust according to your size An ideal strap replacement for your old, broken one Multi-color for option, meeting different style need Specification: Material: Silicone Size: 120mm+89mm Width: 22mm Wrist circumference: 5.5 - 7.5 inch Compatible with: Apple Watch Series 6 44mm Apple Watch SE 44mm Apple Watch Series 4 44mm Apple Watch Series 5 44mm Apple Watch Series 3 42mm Package included: 1 x Watch Strap Accessory only, watch not included