This free standing punch bag bob finely contoured as a human torso is great for home gym training.Height 175 cm.Features Everflex and C4 Foam technologies High-grade, shock-absorbing foam with protective outer layer for lasting durability High quality flexible base flex joint is heavy duty rubber coated steel which allows bag to absorb powerful punches while reducing base movement High-density plastic base is easily filled with water or sand for stability. As close as you can get to actually punching that feel very realistic. This human shaped bag is a great addition to your workout and helps you develop that instinct of power transmission and accuracy. Not for heavy commercial use. Not to be used for striking with any thing other than feet, fists, elbows or knees. See very informative video below