Compatibility: This sport band compatible for Apple Watch 38mm/40mm/42mm/44mm/41mm/45mm/49mm, for iWatch Ultra 2 Ultra SE 2 SE Series 9 Series 8 Series 7 Series 6 SE Series 5/4/3/2/1 ALL VERSIONS(Note: Watch is NOT included) 38/40/41-S/M Size: Suitable for 5.1"-7.1" (130mm-180mm) wrist;38/40/41-M/L Size: Suitable for 5.9"-7.9" (150mm-200mm) wrist;42/44/45/49-S/M Size: Suitable for 5.5"-7.5" (140mm-190mm) wrist;42/44/45/49-M/L Size: Suitable for 6.3"-8.3" (160mm-210mm) wrist.The 41mm band works with the 40mm 38mm; the 49mm band works with the 42mm 44mm 45mm. Band comes with Watch Lugs on both ends, which locks onto band interface precisely and securely. Easy and direct installation and removal. Made from a custom high-performance Soft Silicone , the watch band is durable and strong, yet surprisingly soft. The smooth, dense material drapes elegantly across your wrist and feels comfortable next to your skin. Various colors and two selected sizes for you to choose, personalize your apple watch to fit your mood and outfit in daily life; You can mix up different colors of bands to dress up your iWatch and highlight your unique taste. Features: Compatible Models: Compatible for Apple watch Ultra 2 Ultra, Series 9 2023, Series 8/SE 2 2022, Series 7 2021 Series 6/SE 2020, Series5 2019, Series4 2018 Series3/2 for iWatch 38mm 40mm 41mm 42mm 44mm 45mm 49mm All models version. The Watch Band is flexible and lightweight. Easy to replace with other straps according to your requirements. 38/40/41MM S/M Size: Suitable for 5.1"-7.1" (130mm-180mm) wrist 38/40/41MM M/L Size: Suitable for 5.9"-7.9" (150mm-200mm) wrist 42/44/45/49MM S/M Size: Suitable for 5.5"-7.5" (140mm-190mm) wrist 42/44/45/49MM M/L Size: Suitable for 6.3"-8.3"(160mm-210mm) wrist Package included: 1 x silicone watch band. Smart Watch and other accessories are Not Included.