Key Features HEAVY DUTY CONSTRUCTION The Armortech V2 Heavy Duty Wall Balls are made from 1000D PVC and are perfect for cross training, wall throws, squat presses and general core exercises. The soft nature of the Armortech wall balls makes them far safer and easier to catch and control. IMPROVES BALANCE AND STRENGTH Wall balls are great for plyometric core workouts, improving balance - ideal to incorporate into squats, lunge exercises. Increase your cardio workouts for muscle building. This makes up the shell. The seam is reinforced to help the wall ball maintain its standard size and keep shape. The surface of the wall ball is soft which makes it easy to grip. STAY IN SHAPE Each ball is individually tested for balance weight. The wall balls filling is made from material which helps keep its shape. Although these wall balls are manufacutred to the highest spec, they are not designed and built for high impact workouts. They cannot be used as slam balls.