Organ transport coolers.
https://s3-us-west-1.amazonaws.com/h...r_fullsize.jpg
https://s3-us-west-1.amazonaws.com/h...1_fullsize.jpg
Previously:
https://www.homemadetools.net/forum/...029#post195065
https://www.homemadetools.net/forum/...452#post122472
https://www.homemadetools.net/forum/...977#post171811
