The IGLOO Reusable Ice Blocks Freezer Packs come in a set of 3 large and 3 medium sizes, totaling 6 packs. These blue-colored ice packs are designed to be reusable, making them a convenient and eco-friendly alternative to disposable ice packs. The Igloo brand ensures quality and reliability, perfect for keeping your food and drinks cool while enjoying outdoor activities in your backyard or on the go. With the model number 25197, you can easily identify and locate these versatile freezer packs when needed.