You want your kids to have a super lunch right? So get them this Superman Dual Compartment Thermos Lunch Box with Cape.
This officially licensed lunch box is 100% PVC free with PEVA linings. It also features closed cell polyethylene foam insulation. Most importantly it looks awesome and has a cape.
It also has two separate zip compartments for easy storage. It is only $28.98 from Amazon.com. Your lunch just got more awesome with this costume lunch box. Best lunch box ever.