Cooler Shock 4 Mid Size Freeze Packs 10"x 9" - No More Ice! Reusable. You Add Water & Save! Better than Ice - 2lb mid-size gel pack makes items in cooler slushy cold (1/2 size of large pack) Reusable - Click the blue "CoolerShock" at top of this page to see all versions Accelerates cooling with burst cooling at 18 degrees - 8 mil thick flexible 3-layer purpose built pack rapidly transfers energy  Fully reusable Ships with CS dry mix, you hydrate and save. 2lbs gelled - simple instructions or see our website video Made in USA with Non-toxic ingredients, child safe. Lasts up to 48 hours depending on use This 4 pack replaces 12 pounds of ice, no dirty water in your cooler. Also available as ready to use Over 400,000 Cooler Shock packs sold on Amazon! Great reviews, tell me about the bad reviews. What if Im not happy? What about warranty? Full details below in the description section Colder than ice Reusable Pays for itself Ready in your fridge high performance 100&#039;s of thousands sold Full website for use detail US company with full support staff Manufactured in Phoenix AZ