Brass ring with resin sphere and icon, nickel-free. BallsMania Collection - Registered Design Three symbols, a thousand vibrations! Hearts, crowns and dollars are the icons — embossed on each resin sphere, representing this original and witty collection. The Balls in this collection are characterized by the metal icon applied in relief on each individual resin sphere. Ballsmania products are strictly MADE IN ITALY, made in compliance with Italian and European regulations, with extreme attention to the materials used and to the environment.