10-3145 Weight: 15 lbs Features: -Six plyometric balls ranging from 1 pound to 15 pounds are available.-Easy-to-grip rubbery surface and will bounce.-Can be used with trampoline rebounder or thrown back and forth with a partner.-Available in 1 lbs, 2 lbs, 4 lbs, 7 lbs, 11 lbs and 15 lbs.