Bracket material: steel; punched bag material: iron sand + EPE + PVC cover. [Stable and firm] Equipped with a triangular base, it is stable and firm. Also includes a small speed bag for speed training, a boxing punch bag for strength training. [Easy to assemble] It is very convenient to assemble our heavy bag holder.According to the instructions, you can assemble the pump holder in 30 minutes, but you need to make sure that every boxer screw is tightened in place to ensure the overall stability of the punch box. Load Our boxing ring can support 132 lbs. Which means you can hang up to 132 lbs. [Additional weighting accessories] There are four vertical tubes on the base of the boxing ring, which can be placed with other weights to increase the stability of the heavy bag rack. If you need to hang a heavier sandbag, we recommend adding more weight to the sandbag rack. The item "Heavy-duty Boxing Punching Bag Rack Free Standing Boxing Bag For Home Fitness" is in sale since Tuesday, September 15, 2020. This item is in the category "Sporting Goods\Boxing, Martial Arts & MMA\Training Equipment & Supplies\Punching Bags". The seller is "newbegin2020" and is located in shenzhen. This item can be shipped to United States.