The Active Aid Raised Toilet Seat from IndeMedical.com is unique in its design to accommodate perineal access from 4 directions. The cut-out portion of the seat can be placed over the toilet in the desired direction and the legs can be adjusted in height while maintaining a stable platform for seating. The large seating surface is padded with high-density foam that provides excellent support while the cut-out may offer some additional pressure relief. Because it is lightweight it is easy to move out of the way when not in use. no tools required.