Reusable Jumbo Ice Pack - Long Lasting - Perfect for Keeping Food Or Beverages Cold, Coolers, Camping, Beach Coolers, Hiking & More, Clear Blue4 pack of large ice packs with a hard sided structure, perfect for temporarily storing and chilling food, beverages, perishables, and more. Made from BPA free heavy duty plastic casing, ensuring durability and preventing leaks. These ice packs can be conveniently placed in coolers, lunch boxes, bags, storage cases, and various containers to maintain a cool environment. These ice packs have the ability to stay cold for hours. To prepare them, lay them