Cooler Shock Ice Packs for Cooler - Long Lasting Reusable Freezer Packs for Lunch Boxes and Backpack Cooler - Ice Packs for Camping Gear, Fishing, Road Trip & Beach Must Haves

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 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 International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.