Inside: Looking for the best preschool lunchbox gear? I’ve got you covered with my absolute favorite finds for daycare and preschool, including Bento boxes, lunch bags, reusable water bottles, and more. Freshly updated for back-to-school 2022. Sometimes I think about the amount of hours I have spent over the last 6 years reading reviews on things like lunchboxes and leak-proof water bottles – and honestly?