L.L.Bean's soft cooler and Zulay Kitchen's insulated tote lunch bag with a 4.9-star rating. We've also included the Hydro Flask lunch box and a stackable bento box to keep your food separated ...

While I've used the bag primarily to keep my Montauk Wind Chasers and Bell's Two Hearted cans chilled (don't judge, I live in Brooklyn), I've also used it to keep lunch cold on a spontaneous day ...

Lunch boxes and water ... $25 at Amazon Hydro Flask Kids’ Wide Mouth Bottle The Hydro Flask Kids’ Wide Mouth Bottle is well-insulated and keeps contents cold for up to 24 hours.

The insulated bottle has Hydro Flask’s trusted double-wall design, capable of keeping contents hot or cold for up to seven hours. It slides right into tote bags, jacket pockets, or lunch boxes ...