330ml Ice Bricks/Pack

Capacity/size: 330 milliliters of sealed cooling gel or water-based coolant Function: Freezes into a solid block and slowly releases cold to keep food and drinks chilled Material: Usually made from durable, food-safe plastic (HDPE or similar) filled with non-toxic cooling gel or purified water Shape: Compact rectangular or flat brick for easy stacking Reusable: Can be refrozen multiple times after use Usage: Ideal for lunch boxes, picnic bags, medical transport, camping, and small coolers