Fit & Fresh Kids' 13-piece Healthy Lunch Kit with ice packs for $7.71 on Amazon (limit 3 per account)

Amazon has got the Fit & Fresh Kids' 13-piece  Healthy Lunch Kit for $7.71 (limit 3 per account).  It got 4.1 out of 5 stars over 84 customer reviews.  Comes with removable ice-packs. 

• Set of 4 complete reusable lunch containers with ice packs (13 total pieces) for kids designed for bringing healthy food on the go 
• Set includes: (1) Salad/Fruit Pod with (1) ice pack and (1) dressing dispenser, (1) Sandwich Pod with (1) ice pack, (1) 1 cup container with (1) ice pack, and (1) 2 cup container with (1) ice pack 
• Variety of multi-purpose containers make it easy to pack a lunch for Back to School no matter you or your children's taste for the day 
• Keep food chilled for hours with the removable, reusable, non-toxic ice packs included for each container that clip to the underside of cooresponding container's lid 
• Containers are BPA-free, PVC-free, dishwasher safe, microwave safe and freezer safe. 

This is an Amazon Add-On item, which means that it ships for free with a $25 minimum order if you are an Amazon Prime member (and its price of $7.71 counts towards that $25), or it ships for free with a $49 minimum order if you're not a Prime member.  You can buy multiples of this item to help get you to your $25 or $49 minimum for free shipping, but because of the low price, it's limited to 3 per account.  (Other Amazon Add-On item deals can be found here.)