MLB Team Ball Collection. For display (unused) - Team: Los Angeles Dodgers ×2 - Team: New York Yankees - Team: Pittsburgh Pirates - Team: Chicago White Sox ×2 - Team: New York Mets - Team: Colorado Rockies - Team: Philadelphia Phillies - Team: Oakland Athletics 8 types, 10 balls Diameter: Approximately 7.5cm Weight: Approximately 140g per ball I'm not sure if the size is different compared to official game balls. They have been stored in a dark place immediately after purchase, but some of the blister cases have discoloration (3/10). No price reduction or individual sales. Thank you for viewing.