The Drive Medical toilet seat riser with handles is designed to aid people in getting up and sitting down. This locking device comes with a larger, heavy-duty "worm screw" and locking plate for a safe, secure fit. Our elevated toilet seat adds an extra 5 inch of height to the toilet and includes padded armrests that can be easily adjusted or removed. It fits on most standard toilets and installs without tools. Backed by a limited lifetime warranty from Drive Medical, a leading brand of bathroom safety products, mobility aids, and other medical goods for more than 20 years, you can purchase with confidence. Plastic Imported Toilet Seat Riser with Handles: Our easy-to-clean toilet seats are designed for individuals who have difficulty sitting down or getting up from the toilet Raised Toilet Seat with Arms: The toilet seat adds 5 inches of height to your toilet seat, making it easier and safer to sit or stand.Use a non-abrasive detergent or household cleaner with warm water Adjustable Armrests: Easily remove or adjust armrest height to fit your needs; our toilet seat risers make perfect elderly assistance products and handicap accessories for daily living Tool-Free Installation: Simple locking toilet riser provides a reliable, secure fit on almost any toilet with tool-free installation Dimensions: 16.5 inches in depth x 17 inches in width x 5 inches in height; width between arms: 18 inches; overall height: 10 inches; weight capacity: 300 lbs