Built for gym owners and custom setup enthusiasts, this unfilled heavy punch bag shell allows complete control over bag weight and internal density. Made from ultra-tough industrial synthetic leather lined with heavy fabric backing, it resists extreme tearing forces. The full-length heavy zipper top ensures easy filling with rags, textiles, or custom materials. Reinforced steel ring straps are double-stitched down the bag body to handle heavy total hanging weights. An ideal, cost-effective solution for custom weight distribution and wholesale distribution.

• Unfilled heavy shell design for customizable bag weight.

• Made with thick commercial synthetic leather and interior lining.

• Reinforced full-length zipper top for easy filling process.

• Heavy-duty hanging straps double-stitched for max weight load.

• Allows user to tailor bag firmness to fighter preference.

• Cost-effective shipping solution for bulk gym orders.