DESC: This professional quality Tournament Bocce Set features solid, one-piece construction 107 mm balls crafted with precision roundness and balance. The balls are made with a thermo-set composition resin and are striped for 2 to 4 player competition. This tournament grade set is manufactured to International Bocce specifications and is the Official Ball of the United States Bocce Federation. Great fun for novices or experts. Made by the St. Pierre Company.