The Gaiam Ultimate Core Toning Kit includes a CorePlus Reformer and a Mini Ab Ball, both designed for yoga and pilates exercises. The set is brand new and features a purple color, making it a stylish and functional addition to any workout routine. Made of rubber material, this set is perfect for women looking to strengthen their core muscles and improve their overall fitness. The Gaiam Ultimate Core Toning Kit is a custom bundle that offers two pieces for a comprehensive workout experience.