4” Raised Toilet Seat with Lock elevates the toilet by 4” making it easier when someone is sitting down on the toilet. If you had a knee or hip replacement or having back problem then this toilet riser can benefit you in a great way. Our portable seat is easy to install on any standard toilet seat without a tool. Due to its premium quality the weight capacity is 350 lbs and has non-slip pads for additional stability. Our elevated toilet seat comes with a lock that helps prevent shifting of the toilet seat while sitting or transferring. The best part is that it doesn’t require any tools to install.