Hot school lunch from home

Do you know any lunch boxes that would keep food warm enough until school lunch? I'm so tired of Mark's cold lunches and I don't think it's good for him to eat cold lunch every day at school.

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About Elena Voznyuk
Current: Anoka, Minnesota
Birth: November 22
On Moms.com since: Jun 21, 2013
Please, visit my online store and buy handmade girls hair accessories https://www.facebook.com/pages/Hello-Beautiful-Boutique/787222051390664