No, with a small car and a 30 minute travel time, the best choice is A – 2 insulated pouches. The maximum recommended transport time for covered plastic or cardboard containers is only 15 minutes (Choice B), and since you have a small car, two large coolers may not fit (Choice C). However, the transport time for insulated pouches is 45 minutes, and freezer packs can help to extend the possible transport time.