Octonauts Set of 4 Hard Ice Packs – Fun Character Shaped Design featuring Shellington, Barnacles, Dashi and Kwazii Cold packs are compatible with most lunch boxes, bags, totes, coolers and more! Will stay frozen and keep food cool for hours. Great for kids or adults Slim lightweight design and reusable Eco friendly, food safe and BPA Free. Octonauts Hard Ice Packs for Lunch Box or Bag, 4 pack, Keep Cool Freezer Cold Packs, Reusable and Great for Kids, Long-Lasting, Slim & Lightweight Design, BPA Free & Food Safe