Pure Titanium Construction Crafted from pure titanium, this watch band, including its connectors and clasp, is designed to offer exceptional strength and durability while remaining remarkably lightweight at just about 60g. Ultimate Compatibility Compatible with Apple Watch Ultra1/2/ SE1/2, and Series 10/9/8/7/6/5/4/3/2/1.(49mm, 46mm, 45mm, 44mm, 42mm *Not compatible with S10 42mm) Note: Smartwatch not included. Sleek and Elegant The pure titanium material gives the band a sleek, modern look, combining high-end aesthetics with robust durability. Customizable Fit The detachable design allows for easy installation and precise adjustment, ensuring a comfortable and secure fit for for the 5.9"-8.5" (150mm-215mm) wrist. Waterproof and Corrosion-Resistant Crafted from pure titanium, this watch band is both waterproof and corrosion-resistant, ensuring durability and a premium look even in harsh conditions.The pure titanium material not only offers durability and strength but also ensures the band remains lightweight and comfortable, making it an ideal choice for both outdoor adventures and everyday wear. Easy Installation and Adjustment: Equipped with a tool to easily release the pin, this band allows quick adjustments to fit your wrist size. Designed for fast installation and hassle-free customization, ensuring user-friendly convenience.