The Core Sculpting System is all you need to work the muscles that really matter...the ones that make you look good. Develop your core strength using movements, based on the principles of Pilates. The inflatable stabilizing rings helps you balance and enables you to try more challenging exercises with confidence. The sculpting weights easily attach to the stretch tubing, adding resistance to your workout as well as more exercise combinations. Combining resistance with core training will give you the look you've always wanted! Inflatable ball Stabilizing ring Two 1 lb sculpting weigh balls, 2 lb pair Stretch tubing Two way action pump, makes inflating faster Use with or without stabilizing ring Develop core strength Full body core resistance 20 Minute training DVD included Wall chart fitness guide included WEIGHT: 8 Lbs