Random Color Will Be Shipped.The Revolex Ab Exerciser, Is Ideal For Abs, Chest, Back, Arms, Shoulders, Thighs And Glutes. Offers Upto 6 Different Levels Of Training And 44 Different Exercises..Moving Forward Increases The Tension In The Assisted Bidirectional Power Bands, Generating Greater Resistance And A More Strenuous Workout. Moving Backward Slowly Releases The Accumulated Tension, Helping You Return To The Original Position Easily And Effortlessly