Whether you are on-the-road, maintaining your workout regimen or utilizing it as your home gym, the Pro Gym will help you to achieve your fitness goals, whether its building size and strength or increasing muscle definition. The key to the Pro Gym is the ability to add or subtract resistance, by adding or subtracting the resistance tubes. There are three levels of resistance; light, medium and heavy. Different colors signify the various levels of resistance: Red indicates Light Resistance, Blue indicates Medium Resistance and Green indicates Heavy Resistance. Regardless of your fitness level, the Pro Gym will help you attain a healthier you!  Along with the 3 resistance tubes, the ProGym contains two handles, two ankle straps, one door anchor, workout poster, convenient carry bag, and a 25-minute workout on DVD with renowned fitness model and certified personal trainer Lynda Leene.