Would heat pads warp Sistema plastic?

Hi! I use a Sistema plastic container to house my S. alternans, and I like it because of its tight fit and 4 locking sides. I was just curious if heatpads would be responsible for warping hard plastic like this? I wouldn't want my centipede to escape in my dorm, especially.
Pics below

Maybe...I have some modified sistema enclosures (love em), and they seem to be pretty tough...like tupperware. I might even go out on a limb and say it could survive some time with the pad. BUT if you want to put your mind at ease,
http://www.amazon.com/gp/product/B0047KKOMI/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1

Problem solved

i must had that hydrostat aint bad i used it for 2yrs befor getting a herpstat