I used paper for years. Year round not just for breeding. I would buy the un printed packaging paper from Uhaul. Its about 9.00 a box, I want to say around 250 sheets. It comes in an orange and white box. I recently had to sell off my whole ball python collection, but I am not able to get back into it. I just picked up a Freedom breeder rack. But the tubs I ordered have the cup holders in them. So Im going to have to change back to some kind of aspen. But anyways the Uhaul paper I used for maybe 7 to 10 years. the only problem I had was when they would tip over their water bowls.