Invincible Freestanding Boxing Punching Heavy Bag for Home or the Gym

Durable shock-absorbing foam is encased in a long-lasting synthetic leather shell. The base tank can be filled with up to 100 pounds of sand or water. Industrial grade spring for the reflex movement. Heavy-gauge stainless steel tubing.Non-hanging heavy bag design allows you to move around it in 180 degrees. Use it wherever is most convenient in your home or in a commercial gym. Optional suction cups provided. These industrial quality suction cups keep it extremely stable. Just roll it to the side when done. The base is non-marking. NOTE: If you choose to use the suction cups, you will have to pop the suction cups to be able to move this perfect for building aerobic fitness workout, punching, jabbing, blocking, bob and weave, combination, or whatever your sport requires. Ideal for health clubs, Boxing gyms, or Karate schools, the design is perfect for martial arts and kickboxing workouts this freestanding bag makes for a great birthday gift, holiday present, anniversary gift, or any occasion for yourself or for a loved one.