The 4 pack Small Igloo Reusable Ice Pack is a set of four blue plastic ice packs designed for use in lunch boxes and coolers. Each pack has a capacity of 10 quarts and can hold up to 4 wine bottles. These ice packs are lightweight at 1 lb each and come with a drain included for easy emptying. Manufactured in 2021 by Igloo, these traditional-style cooler boxes are perfect for outdoor activities and picnics, offering free shipping for added convenience.