a portable toilet shelter that is more stackable and easier to assemble and disassemble . the portable toilet shelter includes a loop enclosure that is mountable to a base , and that is adapted to receive a roof . the loop enclosure includes opposed end walls each having opposed edges . opposed side walls are positioned between the opposed end walls , with each of the side walls also having opposed edges . flexible hinges connect the edges of the side walls to respective adjacent edges of the end walls to complete the loop enclosure . the portable toilet shelter is partially disassembled when collapsed to a height of about the thickness of two walls , wherein the end walls fold respectively toward and overlay the side walls . the portable toilet shelter is partially erected when the end walls are unfolded respectively away from the side walls to maintain an upright and self - supporting position .