NEW DRIVE MEDICAL RTL12064 ROUND RAISED TOILET SEAT WITH LOCK, STANDARD SEAT, 4". Designed for individuals who have difficulty sitting down or standing up from the toilet Heavy-duty molded plastic construction is easy to clean Locking device with larger, heavy-duty "worm screw" and locking plate for a safe, secure fit Lightweight and portable; Fits most toilets (No tools required for installation) Seat Dimensions: 16"(D) x 14"(W) x 4"(H); Weight Capacity: 400 lbs