I was looking for a stainless steel option as I am trying to avoid plastic both for sustainability reasons and health. This is the lunchbox that my 3-year-old son has been using for a year. I find it is the perfect size for him to take to school for lunch and he is able to open and close the lunchbox easily on his own. He loves the decorative magnets (which need to be removed for washing) and it is nice to have all the food separated. So far, it is still in great condition despite being thrown around by my toddler in his backpack or in the Planetbox lunchbox. It is very easy to wash and dry as well. The only negative aspect is that it is NOT leakproof. It does come with 2 leakproof containers. Unfortunately, the larger leakproof container is a round shape that slots into the square section which means we aren't able to maximize the size of this section if we use the container! I still love the lunchbox because there seems to be something magical about it... Every time we put anything in there, he eats 100% of it and he is a very picky eater at home! He just loves the way it's sectioned!