Lunch Boxes for Adults

Outfitted with a magnetic spoon, this stainless steel vacuum flask keeps food hot for 6 hours. ($42; black-blum.com)

Roll this sealable silicone sack into a compact cylinder for easy storage between lunches. ($13; unikia.com)

A hand-tooled leather belt cinches this handsome lunch bag shut. ($48; kaufmann-mercantile.com)

The lock-on lid for this modern bento box includes a well for dressings, and a thin fork doubles as a knife. ($22; lunchboxes.com)

This washing machine-safe microfiber bag features an insulated lining to keep its contents cool. ($25; initials-inc.com)

The bamboo top for this colorful aluminum vessel doubles as a cutting board. ($28; black-blum.com)