The Titanium Milanese Loop Band are designed for Apple Watch Ultra and pair best with the 49mm case size. The bands are also compatible with 44mm, 45mm and 46mm cases. Size Medium Band fits 155-185mm wrists. The Titanium Milanese Loop features aerospace-grade titanium mesh with a secure parachute-style buckle. Inspired by stainless steel mesh historically used by divers and designed for ocean activities. Made of lightweight titanium, it’s perfect for any occasion. 95% recycled titanium. Box is unopened!