Dry ice keeps food frozen for way longer than regular ice, but if left out at room temperature or warmer, the blocks will dissolve in less than five hours. Both styrofoam and insulated coolers ...

Carefully wrap your dry ice in newspaper or cardboard, or place it in a paper bag. This prevents direct contact with your food. Decide where you want to place the dry ice in your cooler.

When buying dry ice, it's important to plan for its evaporation ahead of time. If you need a 5-pound block, it may be best to purchase a 10- to 15-pound block if your event is still a day out.

The food arrived in a cardboard box packed with dry ice that kept it frozen solid. I've gone back and forth on whether I prefer dry ice or ice packs for fresh dog food deliveries, but ultimately I ...