KorFlex is a patented abdominal fitness product that actually helps you through the entire range of motion. In addition to abdominal product and Quick Start Instruction Guide, you also receive two dvd's including KorFlex Cardio routine, KorFlex Yoga, KorFlex Lower Body routine, and KorFlex Pilates routine. Also included are three sets of variable resistance bands, two contoured foam handles the Pilates Power Strap. In addition, you receive a 30-Day Progress Tracker and Nutrition Guide.