OUTXE ICE PACKS FOR COOLER OUTXE large ice packs accelerate cooling at 18° F, last cold up to 48 hours depending on the use Reinforced 4 layers of Polyester, Aluminum, Nylon, Polyethylene now 50% stronger and more durable, rapidly transfers energy to stay cold Cold Than Ice Cold Up to 48 Hours Keep your food and drink chilled longer — up to 48 hrs for coolers, and up to 24 hrs for lunch packs Reuse Over and Over Return ice packs to the freezer after using and they'll be ready for your next outing Lasting Cold OUTXE gel ice packs are colder than ice, sustained cooling at 18 degrees F No more melted mess Lower freezing temperatures don't get wet when melting, great for camping, picnics, boating, fishing and tailgating Keep Food & Drinks Cold Up to 48 Hours How to use OUTXE ice packs? First, add water to the water level ( 28oz ) with the included funnel, then shake well, squeeze out the air, and finally seal with cork and cap, put it flat in freezer for 8-16 hours Tips: 1. Do not add too much water, we recommend amount of water is 28oz (3.5 Cups) 2. After confirming the final amount of water, seal it with cork Specifications: Dimensions: (L × W) 10*10 inch Material: Polyester, Aluminum, Nylon, Polyethylene Water needed for each pack: 28oz (3.5 Cups) What you get: OUTXE Ice pack for cooler * 6 Cork for leakproof * 7 Funnel for fill * 1 Warm Tips: Many factors will influence the effect of how long the ice packs are frozen, such as ambient temperature, food temperature, cooler's capacity, frequency of opening/closing the cooler and so on. It's suggested to determine the number of ice packs according to the actual needs. When the temperature is high or the capacity is large, the freezing effect of putting more ice packs will be better. Insulated Cooler Backpack 22L -Black Slim Ice Packs 3 Packs Large Ice Packs 3 Packs Ice Packs 4 Packs Lunch Ice Packs 8 Packs Cooler Ice Packs 4 Packs Material Insulated food grade PEVA food-grade HDPE shell food-grade HDPE shell food-grade HDPE shell PET, AL, NY, PE PET, AL, NY, PE Dimensions 33*17*41cm 12.7*17.8*1.4cm 24*33*1.5cm 16*11*1cm 19*16.5*1cm 25.4*25.4*2.5cm Size 22L 150ml 800ml 200ml 12oz 28oz Weight 700g/24.7oz 60g/2.1oz 230g/7.1oz 156g/5.5oz 208g/7.3oz 192g/6.7oz People 1-2 people 1-2 people 1-2 people 1-2 people 1-2 people 3-4 people