Southwest Human DevelopmentIce Pack (4 Pack)<ul><li><span class=\"a-list-item\">Set of 4 Slim Lunch Ice packs great for all types of lunch bags and boxes</span></li><li><span class=\"a-list-item\">Each ice pack measures 4.75\" x 4.75\" x 0.25\", the perfect size for everyday use</span></li><li><span class=\"a-list-item\">Do not place in microwave or dishwasher</span></li><li><span class=\"a-list-item\">Non-toxic, BPA free ice packs</span></li></ul>