All our jewellery is made of 316L grade stainless steel and plated with 18K gold. This makes our jewellery waterproof, hypoallergenic and Anti-tarnish. As the base metal is stainless steel, it won't rust or leave green marks.
Our jewellery is FREE from lead, nickel and cadmium.
However one should avoid contact with friction for prolonged luster and life.

Size 6 - Diameter(mm) 16.5 circumference(mm) 52 

Size 7 - Diameter(mm) 17.3 circumference(mm) 54.5 

Size 8 - Diameter(mm) 18.2 circumference(mm) 57.2