Century Powerline Wavemaster

With twice as much high-density foam as the Original Wavemaster, the Powerline Wavemaster is ideally suited for workouts of any caliber.
Features seven height adjustments, from 47 inches to 68 inches (floor to top of bag), with a base that can be filled with sand or water and is rounded for easy relocation. Made with a thick vinyl covering for durability.

See size chart link below for bag comparisons.  
Approximately 250 lbs. when filled with water.
Bag: 17.5" Diameter x 26" Tall  
Base: 24" Diameter X 19.5" Tall