The biggest bag we offer, the 21" Aqua Punching Bag is no joke. It allows you to deliver knee or leg kicks with serious power, all without worrying about joint pain or durability. For serious fighters, the 21" is a must.The 21 inch bag weighs about 190 pounds and is perfect for those who which to practice power punching or kicking combinations. Available in Blood Red Marble, this bag will take your workout to the next level!