Some like it hot The Fuel Duo Container by Trudeau, $17 for a 10 oz. size and $20 for a 17 oz. size at Freehling Pot & Pan Co. (1365 E 53 St, 773-643-8080), is a double-walled vacuum container that keeps foods hot for five hours.
Dynamic Duo The Black + Blum Lunch Pot, $26 at the Chicago Architecture Foundation (224 S Michigan Ave, 312-922-3432) consists of two containers that stack on top of each other to form a post-modern lunch pail, complete with "spork" (a clever spoon-fork hybrid utensil).
Just chill The Alex bottle by Nice Reusables, $26 for the 20 oz. size and $30 for the 32 oz. size at The Container Store, untwists at the silicone ring in the center for easy cleaning, making it the perfect carrier for protein shakes and smoothies.
The old switcheroo The Klipo Cutlery Set to Go by Sistema, $5 at The Container Store, let you snap a spoon, fork, knife or chopstick head onto one of two handles and say sayonara to disposable utensils.
Lifts and separates The BrightBin lunchbox, $13 at Toys Et Cetera, is a bi-level container created by Evanston mom Stephanie Stiller to hold mac and cheese or a sandwich on top, and three sides on the bottom.
The envelope, please SnackTAXI reusable sandwich sacks, $9, and snack sacks, $7 at Green Genes (5111 N Clark St, 773-944-9250), are made or organic cotton, backed with nylon, and come in scads of great patterns.