Premium reinforced PVC with heavy duty chain style hanging system. Double-reinforced D-Ring and nylon strap system for increased longevity and durability. Filled with premium recycled polyester and cotton fibres for impact absorption and high-grade sand-fill core. Bottom-mounted D-ring for added security and impact movement control. Bag Dimensions: 80LB - 40"H X 13"W; 100LB - 46"H X 13"W