Nordic Ice Freezer Clear Gel Ice Packs "No Sweat" for Coolers. Durable & Reusable. 16oz (2 Pack) Freezes Solid and Keeps Your Cooler Cold for 4-6 hours or more. No Water Mess or Soggy Sandwiches Less watery condensation in humid climates Reusable. Just freeze overnight Tough fabric keeps gel from leaking in normal use. 6"x6"x1"