when do I need to start pack for the hospital

Like what would be a good time to pack . And what do I need to bring for me and my son dad . I bee 31 weeks tomorrow and ob want To indue me before my due date . My 08/26/2017 . But he said one or two day early . I told him i didn't want to but he refused my wishes. Since I lived 2 half hour away from the hospital.