This punching heavy bag from UFC is made of ultra-durable PVC material for long-lasting use. Easily attach it with the provided UFC i-beam hanger and durable nylon straps. It is suitable for all levels of athletes and provides an extended length for training kicks and simulated take downs. The 70lbs bag measures 33x101cm (+/- 3cm) / 13x40 inches (+/- 1.18cm) and can hold up to 22-28kg / 49-55 lbs capacity, while the 100lbs bag measures 33x104cm (+/- 3cm) / 13x40 inches (+/- 1.18cm) and has a capacity of 22-28kg / 49-55 lbs. Please note that the weight and size of the bag may vary due to tolerance levels.