-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
If you are looking for a refrigerator in a bag, then these Polar Tech packs are the way to go. I use them everyday as I bring my lunch to work and when I food shop. Your food will stay nice and cold!
Long lasting
Rigid foam
Reusable
Economical
Keeps frozen products chilled for an extended period of time
Polar Tech Re-Freez-R-Brix foam refrigerant pack. Re-Freez-R-Brix is a block of rigid foam that holds its shape frozen or thawed and is reusable. The Refrigerator in a bag. These refrigerants are non-toxic, sealed in a heavy plastic pouch, and are rated the best in foam refrigerants. Prevent thawing, keeps frozen products chilled for an extended period of time. Protects against freezing, when packaged in properly insulated containers, warmed Re-Freez-R-Brix release heat, keeping perishables from freezing. Protect from warming, keeps perishables requiring a temperature range of 32 to 60 degree F at a safe, uniform cool temperature for over 14 days.