Brenda DyGraf Mini Strider Steel Frame Patented Ball and Joint Design Exercise Bike with Energy Boost Workout DVD and Mat Type: Running Packs Features: Patented 360-degree movement. Smooth, silent, no impact workout. Large, anti-slip pedals. 5 of Brenda's workouts on 1 DVD. Compact, folds for easy storage. Material: Steel Color: Grey Color Mapping: Gray Gender: Unisex Age: Adult