Check out the hides on reptilebasics as they're more practical, and way easier to clean.
http://www.reptilebasics.com/hide-boxes
I'm not a big fan on eco earth, I would prefer CoCo Husk over that stuff, but even for a BP I personally wouldn't use that. Aspen to me has always been the best choice for BP's for me, not saying this is the best for everybody but I'm sure most would agree they use aspen.