Studio : Cooler Shock Publisher : Cooler Shock Product Description Five Cooler Shock high performance fill and save lunch packs use phase change science to prevent bacteria and spoilage. This is an 18 ° extended time pack. Final filled weight is 1 pound which is 2 to 3X the performance and size of typical packs. Non-Hazardous large and cold so that you can eat your lunch. 0
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