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4 answers

maxium 4hours...it says on the box when you first buy it

2006-11-17 12:53:59 · answer #1 · answered by Anonymous · 0 0

In an insulated lunch box about 8 hours. I pack them in with the kids lunch and when school is out they are still cold.

2006-11-17 20:57:48 · answer #2 · answered by bramblerock 5 · 0 0

well, one time i wet to bed with an ice-pack on my ankle and when i woke up it was melted so i'd sayy hmm about 6 hrs..

2006-11-17 20:52:48 · answer #3 · answered by Anonymous · 0 0

depending in thre freezer on average 4.5 hours.

2006-11-17 21:12:47 · answer #4 · answered by J f 2 · 0 0

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