No explanation needed. That's the point. • Stainless steel • Intended for daily wear • Waterproof & sweatproof • Resistant to tarnish and corrosion • Nickel free • Measurements: US 6 US 7 US 8 Circumference 52mm 55mm 58mm Diameter 16.45mm 17.3mm 18.2mm UK Size L 1/2 N 1/2 P 1/2 Japan Size 11 14 16 • Comes with velvet jewellery box and care card