Lifetime Guarantee View Details > Features ADDS 3.5â OF HEIGHT Reduces bending and twisting the raised seat makes it easier to sit or stand USE WITH EXISTING SEAT Safely fits any toilet with an interior lip for added stability and security TOOL-FREE INSTALLATION Easily installs under an existing toilet seat without tools COMFORT GRIP HANDLES Removable corrosion-resistant handles are padded with a soft closed-cell foam to provide a comfortable secure grip DURABLE COMPOSITE CONSTRUCTION Durable split-resistant composite riser safely supports up to 300 pounds EASY TO CLEAN Seat riser and handles are easy to clean with traditional disinfectant solutions Customer Reviews Based on 23 reviews Write a review How To Assemble And Install A Toilet Seat Riser? How wide is the toilet elevator? The raised toilet seat is 13.89â wide and the distance between the removable handles is 19â wide. Does this riser sit under a regular toilet seat? Yes! This riser can be installed under a regular