Best selling author and fitness celebrity Bob Greene teams up with SPRI™ to bring you a strength-training program and a core-training program proven proven to help you lose weight and look great! Based on the philosophies and techniques presented in his book, Bob shows you how to maintain weight loss by building a stronger body. - Strength Training Package Contents include: One Red Xertube, One Green Xertube, One Green Xering, a door attachment, and instruction sheet. SKU: BG-TBR - Core Training Package Contents include: 55cm Xercise Ball, Sponge Ball, Maintenance Pump, and instruction sheet. SKU: BG-CORE