PRO Products, MADE IN USA ! All PRO Heavy Bags come with FREE Lifetime Warranty ! Finally, a heavy bag crafted with a less dense, softer hitting surface to help alleviate sore knuckles, wrists, elbows and shoulders.. The inside is professionally packed with a specially blended poly-fiber filler to provide a resilient absorbency while maintaining a firm, cylindrical shape for life. Center aligned weight is precision placed for maximum force dispersion and balance. A tough triple-ply shell cover is tough and durable for maximum results. Cross-stitched canvas backing adds strength to the shell. Includes four seat belt nylon reinforced hanging straps with D-rings on top, and optional tie-down D-ring on bottom for securing to floor, and attachment hook. Ideal for gym, and home use.