A portable toilet with a 5gallon /20l holding tank, which is of comfort, convenience and environmental protection, has an innovative product design and robust abs quality (good dimensional stability) with a shiny surface cap. This high-quality toilet offers powerful flushing with less pumping as well as splash-free operation and discharge. What’s more, it is easy to use push-button operation. This portable toilet is a great unit for anyone who despises using public port-o-potties or camps where there’s no public facility. It is great for camping, outdoor recreational activities and road trips, as well as for those who are elderly to move or patients.