The 4ALLFAMILY Big Nomad 1-7 Pen Insulin Cooler Travel Case is a portable and reliable medical storage solution, designed to keep insulin and other temperature-sensitive medications safe while traveling. With a compact yet spacious design, this cooler measures 8.9" in length and 3.3" in diameter, making it easy to carry while still providing ample storage. Engineered with dual vacuum insulation, the double-layered structure acts as a heat barrier, ensuring that insulin remains at fridge temperatures (35-46℉) for at least 30 hours, even in extreme 104°F conditions. This TSA-approved cooler has a discreet hard-shell design, allowing for hassle-free airport security clearance, making it an excellent travel companion for those who rely on insulin or other temperature-sensitive medication. Designed for daily use and mid-range trips, the 1.93" refrigerated space can hold up to 7 insulin pens at once, ensuring you have enough supply for extended travel. Whether for work, school, or long journeys, this durable and lightweight travel cooler bag provides dependable, long-lasting insulation to keep your medication protected wherever you go.