Resistance Tube, Red, Heavy, Latex. Body Sport Resistance Tubes with Handles are made with durable rubber tubing to provide a smooth stretch, giving you a more consistent workout. The cushioned, foam handles provide comfort so you can focus on building strength. The tubes come in Light (blue), Medium (yellow), Heavy (red), or Extra-Heavy Resistance (green), color-coordinated for easy identification. Start your resistance training today with Body Sport Resistance Tubes with Handles.