I don't know, she could probably go under the door. I will go put a towel there. The person that said to get a sticky trap said that it would come off with vegetable oil, and to use oil or it will rip the skin. I had 1.2 normals and 0.1 albino in a VERY secure bin, there is no way she could get out. I think she got out right before I put the bin back. The lid was even taped on.