The long arm quilter I used wanted each part, top & backing ironed and hanging on separate hangers. Also wanted batting hanging on hanger. DON'T baste your quilt! The quilt will be loaded on the long arm machine as three separate parts. Best idea is to talk with the person who will be quilting your quilt and see what their requirements are before you bring it to them. Also ask to see some of their work - after all, you want your quilt to be gorgeous!