PlanetBox was the brand I heard about again and again, for kids of all ages. Strategist senior editor Winnie Yang has used the stainless-steel PlanetBox Rover for her 8-year-old daughter for ...

All of their boxes and insulated containers are stainless steel, but you can buy stylish covers to add a splash of color (for most kids ... but a set of the leak-proof container inserts would ...