The Drive 2-in-1 Locking Raised Toilet Seat with Tool-free Removable Arms fits most toilets to provide an additional 5-inches to the toilet seat to make it easier to sit and get up. Adding a raised toilet seat is beneficial to individuals with limited mobility after surgery or for the elderly. It's lightweight and portable and is designed for easy, tool-free assembly. The worm screws locking plate provide a secure fit for safety and peace of mind. The elevated toilet seat has removable arms if user needs more space and doesn't need assistance to stand up. The seat is made of heavy-duty molded plastic to hold up well and make it easy to clean