Ringside Boxing Training Maize Punch Bag Discover the lost art of slipping punches with this boxing punch speed bag Become virtually unhittable with this great defensive workout training tool Speed bag comes fully assembled with chain and no filling necessary Perfect bag for boxing, MMA, Muay Thai and contact sport athletes alike to develop fast strikes, strong reflexes and reach their fitness goals Build strength, tone and condition your body with a muscle building aerobic workout, training and the right gym equipment