Totsy: ReUsable Lunch Boxes for as low as $3 plus FREE shipping! (BPA free too!)
Totsy has these adorable reusable lunchbox containers for as low as $3 plus new members get FREE shipping when you sign up through this link! My favorite is the slimline quadie that is selling for $6.25 (sells for $10+ at the Container Store). They are also all BPA-free.