Bring home the Everlast MMA poly canvas 70-pound heavy bag and add a complex boxing regimen to your everyday workout routine. This 70-pound heavy bag features a specially blended filler mix that consists of sanitized synthetic and natural fibers. This high-quality stuffing provides your workout bag with resilient shock absorbency. This red Everlast MMA heavy bag is constructed from premium poly canvas and is secured with reinforced webbing to provide you with long-lasting durability and sturdy functionality that ensures this product s reliable performance.