Be the Coolest Kid in the Cafeteria with These 11 Back-to-School Items

This set of four slim reusable ice packs in bright colors will individually to fit into all types of lunch bags and boxes. These are good year-round for keeping your food and drink cool, but especially during the hot months. The not-quite 5-square-inch ice packs are nontoxic and BPA-free. Don't put them in the dishwasher or microwave!