These are our signature slam balls brought to you by Apollo fitness. These slam balls are great for a variety of exercises and come equipped with a raised textured surface for added grip and durability. They are also great for plyometric and explosive exercises and for building all round functional strength. These balls are very durable and are made with an anti-burst design. These slam balls are made to take a beating and are 100% battle-tested . These balls are available in a variety of sizes from 3kg, 6kg, 9kg and 12kg.