A replacement ball for the EPCO 107 mm Tournament Glo Bocce Set. With the use of a black light, the EPCO 107 mm Personalized Tournament Glo Set will actually glow in the dark. Each ball weighs approximately 2.1 lbs. Each ball will be custom engraved with your wording of choice. You may engrave up to 7 characters. Makes a great gift idea and will set your set apart from all the rest.