... ballProduct description: 9.5''(diameter) jumbo tennis ball,2 panels, white rubber lineSize: 9.5’’, also 8.5’’, 8’’, 7’’, 6’’, 5 ... material: polyester felt material, soft touching and waterproofInner bladder: natural rubber material with polyester woundedWeight: 250-270 gramsDiameter: about 24.13 ...