You can fill up with whatever you desire for the density or weight (sand, cotton, saw dust, dry beans, etc.).
- Features 3 layers of sturdy covering with a excellent and durable vinyl contact area.
- Heavy duty cotton fabric lining on outside and strong nylon lining on the inside gives added durability.
- Bag Height: 45"
- Diameter: 12"
- Punching Bag, Large 45" Tall (Unfilled)