Designed to fit your style All our titanium products are made of Grade 2 Titanium. We use Grade 2 titanium because it is strong, lightweight, and matches visually with the case of the Ultra. The streamlined design of the titanium band is inspired by classic sports cars. It elevates your everyday look - a lightweight yet timeless piece that's perfect for both formal wear and adventure. Note: The product does not include the watch case and watch, the watch case needs to be purchased separately. Sizing Information Length: 185 mmWidth: 26 mmThickness: 3 mmWeight: 72 g Maximum wrist length : 228.6 mm (9 inch) Material: 98.9% Titanium Alloy + Stainless Steel Clasp Weight: 72g / 2.54 oz Fits: All Apple Watches Included in the box: Watch Band and Installation Tool(Apple Watch Not Included)