This Dexnor rugged watch band is perfectly compatible with Apple Watch Ultra 2/1 49mm, Series 10 46mm, Series 9/8/7 45mm, SE2/SE/6/5/4 44mm and Series 3/2/1 42mm, fitting wrist sizes from 6.1 to 9.06 inches (155–230mm). Crafted with premium durable S316 stainless steel and breathable dual-material design, it features sturdy color-matched metal connectors that deliver a luxurious look and daily wear resistance, with matte and polished textures perfectly matching the titanium casing of Apple Watch Ultra for an ideal balance of style and practicality. Built with solid precision-locking metal ends, it enables seamless, secure installation and removal for stable all-day wear, while the scratch-resistant finish combined with robust silicone and stainless steel construction makes it adventure-ready and suitable for gym workouts, office daily use, outdoor running, hiking, climbing, biking, swimming and more daily and sports scenarios.