Proper Equipment to Hang a Heavy Punching Bag. Part of the series: LS - Get Fit for the New Year. Heavy punching bags are generally 80 to 100 pounds. Find out about the proper equipment needed to hang a heavy punching bag with help from a current Olympic-certified boxing trainer, fitness expert and speaker in this free video clip. Read more: http://www.livestrong.com/video/1009585-proper-equipment-hang-heavy-punching-bag/