Outslayer Muay Thai Punching Bag.6ft 150lbs Ships Unfilled.Comes with 10 year warranty certificate. Made out of heavy duty lead free vinyl that is also used for custom 300lbs heavy bags. No additional chains needed.* If you would like a d-ring on the bottom of your heavy bag to secure to the floor or a sand bag , please let us know and we will add it for you for free.