What Should I Look For in a Portable Dog Toilet? Material. As far as material goes, there are a lot of them on the market for dog toilets. Most material is a matter of personal preference. Some customers prefer puppy pads, in which case they should look for a tray that can hold puppy pads. Others prefer fake or real grass pads. If you want to go a DIY route, it may be best to … [Read more...]