Wavemaster punch bags: Cardio/Aerobic Wavemaster punch bags for the home workout. Bag height alone is fourty inches of high density foam with nylon shell. Low profile base fills with sand or water and is rounded for easy roll relocation. Four height adjustments, total height 5' 9, Weighs approx. 170 lbs when filled. The Century Cardio Wavemaster freestanding punching bag is the entry level wavemaster punch bag and is designed for light workouts and not generally suitable for big hitters. We recommend original wavemaster up to powerline wavemaster for heavier workouts.