The base is wisely filled with water weighing @ close to 300lbs. Rolls easy when the target is off. Or you could fill it with sand and make it heavier. It’s adjustable to higher or lower striking points. If you don’t have a place to hang a punching bag this free standing boxing bag is great for everyone who wants to use boxing for fitness. To maximize your boxing ability with this punching bag cut and paste Shop-read-176.html to your browser and take a look @ Punching Bags "A Way Of Fitness"

Please note that there’s an additional $15.00 for an oversize Shipping charge.