
How Do Coolers Keep Things Cold?
How do coolers keep things cold? They block heat transfer with insulation walls, a tight lid seal, and a cold source like ice or ice packs.
Side-by-side picks for YETI, RTIC, Igloo, Coleman, Pelican and more. Start with the brand you're weighing, the size you need or how you'll carry it.

How do coolers keep things cold? They block heat transfer with insulation walls, a tight lid seal, and a cold source like ice or ice packs.

Will a cooler keep things from freezing? Yes, with the right pack and insulation. Learn how to pack a cooler so food and drinks stay cold without freezing.

Learn how to keep a cooler cold longer with cold packs, smart packing, shade and lid habits. Simple steps that stretch ice through hot days.

What to bring in a picnic cooler: ice packs and a cooler fit for your trip, food and drinks packed in the right order, and a short list of extras that earn their space.

How to keep things hot in a cooler: preheat the box, fill dead air, wrap the food, and keep the lid shut. Pick a sealed hard cooler for the best heat.

Are Igloo coolers good? Compare the brand's hard-sided and wheeled options by size, wheels, handles, and features to find a fit for your trips.

Compare the best beach cooler picks for sandy walks, family days and quick trips. Find a size and style that fits your load, carry and ice needs.

Compare the best backpack cooler options for day trips, hikes and beach outings. Find the right capacity, storage layout and carry style for your plans.

Compare the best cooler brands for hard, wheeled and compact coolers. See what each brand does well and choose a cooler that fits your trips.