• Nivia is heavy hard tennis cricket ball.
• Made of natural rubber core
• The inner rubber is covered with felt made from woven polyester fabric.
• The felt on the ball should not have more than 2 joints to ensure the proper flight.
• Weight 120gm to 130gm
• Circumference 210mm and Diameter 66mm
• Color Green / Yellow. Actual color is closer to yellow usually but some teams refer to this color as Green not sure why.