promotional jumbo tennis ball: we can supply various sizes of jumbo ball. promotional jumbo tennis ball:features:1.dia size can be 5".6",7",8",9"..16''2.material is felt cover,rubber inside3.it's inflatable4.color can be yellow,red,blue or others5.can be with your logo6.all OEM order are availablepls contact us for more details promotional jumbo tennis ball