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Features :
Safe USA sourced formula, no mystery chemicals from China - Large high-performance reusable lunch pack fits all typical lunch boxes and school lunch boxes - 1 of 3 sizes available, click Cooler Shock at top of page for full line
Uses phase change science to cause pack to be at 18 degrees Fahrenheit well past lunch time
Shipped with Cooler Shock dry mix, you hydrate and save. Simple instructions - made in the USA
Non-toxic ingredients, child safe. Lasts up to 10 hours, reusable again and again...
Avoid bacterial growth and spoilage with this pack when used as directed - NOTE:Our latest screw cap does not have a bottom rim, it has ridges. The cork is the primary seal