Quote Originally Posted by J.Vandegrift View Post
The little 7 x 7 boxes are not big enough for any heat pack IMO. Just not enough space to dissipate the heat. I only will use those in the summer when heat packs are not needed. The 12 x 9 boxes are much better when using a heat pack. Sorry to hear about the snake.
Interesting,
I've shipped a bunch of 7x7 boxes with 40hr heat packs and had no issues, we place 4 holes in our boxes and have been told even on cold days the snakes arrive at a good temperature.
Thanks for the input John, I'll have to rethink using 7x7 boxes in the winter.