The Automatic Rebound Roller Wheel is a modern fitness device designed for core and abdominal exercises. It features dual orange wheels with a gray ergonomic frame, comfortable handles, and comes with a digital timer and knee pad for enhanced workout experience. Key features: • Self-retracting dual wheel mechanism • Digital LCD timer included • Comfortable ergonomic handles • Non-slip orange wheels • Protective blue exercise mat included • Automatic rebound function for safety • Durable gray metal and plastic construction The package includes everything needed for an effective core workout: the main roller unit with dual wheels, a digital timer with minute/second counting and start/stop functions, and a blue cushioned mat to protect knees during exercise. The automatic rebound feature helps prevent overextension and provides controlled movement for safer workouts. The ergonomic design with curved handles allows for proper form and reduced strain during exercise.