Thomas Sabo Charm Heart Union Jack Flag Silver. The Thomas Sabo Charm Club is a collection of innovative designs simply bursting with vibrancy and energy. With a unique blend of the worlds finest lustrous gemstones, the Thomas Sao Charm Club range makes it possible to express your every mood with designs that strike universal appeal and an effortless charm. This Thomas Sabo Charm features a union jack heart design finished in 925 sterling silver with white Zirconia stones and secured with an elegant lobster clasp. 1165-628-10