Features: The Benefits of Ice Packs: Shipping Ice packs are made of reusable PE material. After freezing keep food cool and fresh for up to several hours in insulated bags or lunch boxes. Purpose: This ice box is reusable and has a long freezing time. Ice boxes can provide a cooling effect for the transportation of food and seafood perishables breast milk medicines vaccines etc. Easy to Use: Simply place the ice pack (which requires its own freezing liquid replenishment) in the freezer for at least 6 hours. Works even better with insulated bags lunchboxes lunch bags and coolers. Situations: Our ice packs can be placed in gym bags nappy bags insulin packs meal preparation containers or picnic baskets. It can also be perfect for muscle soreness and recovery after athletics. After-sales Service: If there is any problem with our products please contact us first we will provide you with solution in the fastest time. So why not give it a try? Specification: Material:PE Size: 14.5*13*1.5cm 18*11.5*3cm 16.5*9*3cm 11.5*4*3cm Notes: Please allow slight tolerances in size due to manual measurement and lighting in photography may result in a difference in color than in real. includes: 1 * Ice Freezer Box "