This product features a durable, anti-tear PVC material and reinforced stitching, along with durable nylon straps for a powerful and quiet workout experience. The bag has a capacity of 100lbs (45kg) or 120lbs (54kg), depending on the size chosen. The dimensions for the 100lbs bag are 35x110cm (+/- 3cm) or 14x43 inches (+/- 1.18cm) and for the 120lbs bag are 35x130cm (+/- 3cm) or 14x51 inches (+/- 1.18cm). Please note that the weight and size may vary due to tolerance levels. The bag is filled with a combination of foam insulation and fabric for added durability.