3 Pack Large 18&deg;F Cooler Freeze Packs 10"x14" - No More Ice! Replaces 18 lbs. of Ice and is Reusable - Easy Fill - You Add Water and Save! &ndash; 12 lbs. Total When Filled (Zipper Seal) 3 PACK - Zip and Iron seal  Colder than ice at 18  (- 8 ) Extra-large gel pack makes item slushy cold. Coldest and longest lasting, guaranteed. - Available in screw cap style, smaller mid-size packs or lunch packs. Click "CoolerShock" at top of page to see all models - USA made, USA phone support 3 REUSABLE COOLER ICE PACKS REPLACES 18 POUNDS OF ICE, no dirty water in your cooler! Non-hazardous, child safe. Lasts up to 48 hours - Voted #1 in 2017 Wiki EzVid Ice Pack competition! NEW IMPROVED FOR 2018  Nylon reinforced packs now 50% stronger and more durable, capable of 100s of freeze  thaw cycles. Shipped with Cooler Shock dry Formula - you add water (once) and save money. Simply add water, zip it closed and seal with an iron. 18  (- 8 ) COOLER SHOCK KEY IS BURST COOLING Cooler Shock cooler ice packs actually accelerates cooling!  8 mil thick flexible 3 layer foil & nylon pack  Detailed Cooler use guide right on back of pack 500,000 + SOLD ON AMAZON - 1 year 100% money back guarantee and fast service. Simply contact our service team and we will gladly send you new packs. We are easy to reach by phone, email or chat. We stand behind our product. Details on our website at CoolerShock.com