Compatibility: Compatible with all Apple Watch models, including the latest Series 10 and Ultra 2. Works seamlessly across Series 1-10, SE, Ultra, Sport, and Edition. Available for every size: 38mm, 40mm, 41mm, 42mm, 44mm, 45mm, 46mm, and 49mm. Elastic Bands: Designed to fit wrist sizes from 6" to 6.5" (152mm - 165mm) with a flexible, stretchable design. Innovative Design: Flexible size ensures a perfect fit around your wrist. Black Hardware: Complements the band’s sleek, modern look. Lightweight & Breathable: Made from 100% elastic woven polyester, providing soft cushioning and breathability. Lightweight and comfortable for all-day wear. Note: Watch and accessories not included (Watch Band Only).