Bulgari brings together two opposing materials, gold and steel. This results in two new rings, a Bulgari Tubogas jewelry set, and high jewelry inventions. Material experimentation has been the brand's defining characteristic. B.zero1 and Bvlgari Tubogas represent this legacy while embracing the modern expression of gold and steel. The two new rings are made of steel and have yellow gold outside edges. The steel evokes the rhythm of ancient Roman columns, while gold adds warmth. The new rings are designed for everyday wear and have a slim, narrow form that adds to the steel's lightness. Bulgari Tubogas is a necklace and bracelet inspired by 1970s Bulgari designs. The designs incorporate the distinctive flexible, seamless spirals made of steel. Yellow gold studs dot the surface. The new designs are now available online and in select retailers worldwide.