We got these for a road trip/camping. They are fantastic! We made the 8 hr drive without having to pull over once. With a 5 and 7 year old that is amazing! No getting out of the tent in the middle of the night either. Now we keep them in the cars and even my purse. You never know when your kids are going to need to go, but it is usually inconvenient. They really work like they are described. We only smelled any odor when one was full in the van in the heat for hours and we opened it. Otherwise, it doesn't leak or smell. Fantastic product!