A portable cooler is a compact, insulated container designed to keep food and beverages cold while on the go. These coolers are often used for outdoor activities like camping, picnics, and beach trips. They come in various sizes and styles, including hard-sided and soft-sided options, making them easy to transport. Many portable coolers use ice packs or ice to maintain low temperatures, while some advanced models feature built-in refrigeration systems. Popular brands like Igloo and YETI offer durable and efficient coolers that cater to different needs, ensuring that your items stay fresh and cool for hours.