Maximum results in building muscle, good form, stability, and power are here at long last. Everlast's Nevatear heavy bag will become your new secret weapon for developing your techniques and form. This heavy bag is constructed with a specially blended filler mix of sanitized synthetic and natural fibers to provide resilient shock absorbency. The premium synthetic leather with reinforced webbing along with superior heavy bag construction for durability and functionality. The punching bag uses heavy-duty nylon straps for security and safety, and the double end loop provides increased functionality.