An amazing upper body trainer that intensifies push-ups, flies, chest pulls, upper body training and even shadow boxing!  Now with a full 24 separate resistance levels for every size, strength, skill level, age and ability.  Increase punching speed and develop more punching power with the Power Push-Up Plus and Shadow Boxer! The most effective training addition for increasing upper body strength and power. Intense resistance bands with durable PVC and comfort grip handles.  Building a strong, powerful upper body is essential for all combat sports.  Easily stows in gym bag for immediate accessibility. One size fits all.