The 4ALLFAMILY Explorer Insulin Cooler Travel Case TSA Approved 72H (1–7 Medication Pens) is the ultimate on-the-go medical cooler for insulin pens and EpiPens. Designed for maximum flexibility, it features three distinct cooling methods to ensure your insulin stays at a safe temperature wherever you travel. With a large 900ml stainless steel food-grade container, this cooler can store 1-7 insulin pens, vials, or diabetic supplies, providing ample space for longer trips while ensuring top-quality insulation and protection. Its multifunctional design allows you to switch the lid and transform it into a USB-powered portable fridge, reducing internal temperatures by 15-25°F lower than the outside temperature without the need for ice packs. The built-in USB charging port lets you stay powered on the go when used with the 4ALLFAMILY power bank, with the best performance achieved when biogel is used alongside USB cooling. For extended travel, the biogel ice packs keep your medications at a safe temperature for up to 72 hours, ensuring reliable cooling even in extreme climates. Whether you're on a city trip or exploring remote areas, this TSA-approved cooler makes traveling with insulin stress-free. Check images for medication compatibility, or refer to the available space to determine capacity. This versatile, durable, and travel-friendly insulin cooler provides long-lasting, hassle-free storage, giving you peace of mind wherever you go.