BlastBall™ is an inflatable plugging device used in underground mining and small diameter holes. The BlastBall™ plug is constructed of a fully hermetic bladder coupled with a patented valve arrangement to ensure confidence. The outer skin is made using a car tyre-fashioned reinforced webbing, which allows the product to withstand extreme pressures. The BlastBall™ provides improved fragmentation, a safer final wall, less explosive waste, better void management, the ability to block off breakthroughs and protect holes and many other benefits.