• Compact size: 20.82 x 9.4 x 4.32 cm. Made with 1680D Nylon (EVA), this case is lightweight and easy to carry in any bag or backpack. • Good insulation: High-quality aluminum foil lining secured with velcro, providing excellent insulation and protection against the cold. FDA approved. • Enhanced insulation: Durable and reusable ice pack thousands of times, suitable for maintaining the temperature of the medication compartment. • Practical organizer: Keeps all medical supplies in one place, including syringes, paper wipes, consumables, and other accessories. • How to use: Freeze the two ice packs for six to eight hours before using the insulin bag. Place the insulin pen, refills, or needles in the designated areas.