Sphere bollards come in 3 sizes, 18", 24", 36".  These have the option to be customized to look like sphere shaped objects such as baseballs or beach balls.

Model# 860 - 18" diameter

Model# 861 - 24" diameter

Model# 862 - 36" diameter

Product Specs:

Size: 18" dia, 24" dia, 36" dia
Weight: 18" - 260 lbs / 24" - 605 lbs / 36" - 2100 lbs