Roam Essentials™ Heated Snackbox (800ML)Portable Heated Snack box Lunchbox Warm Meals for Little Tummies, Anywhere No microwave? No problem. Say goodbye to cold snacks, fussy mealtimes, and juggling food on the go. The Roam Essentials Portable Heated Snack box (800ml) gives mums the freedom to serve warm, comforting meals, anytime, anywhere. Whether youre out at the park, running errands, on a day trip with your toddler, or eating on the move between school runs, this compact, portable