Twin-Set Online Shop. Twin-Set, founded by Simona Barbieri in 1990, is known for its feminine and romantic collections with a minimalistic touch. This Italian label uses high quality and natural fabrics and has an amazing finish of sequins and colored stones. Every collection includes eye-catching pieces, like the perfect jeans, party tops and bright dresses. Twin-Set is glamorous and feminine, but always with a twist. Discover the latest collection online and choose you favorites at Orangebag.nl.