Product details:

This plastic, standard height, premium toilet seat replaces the need for installing wall-mounted rails near the toilet, which cant be counted on to provide ergonomically correct hand placement that helps with sitting and standing. Assist has built-in Support Arms with a weight limit of 250 pounds on each side, ideal for a variety of users. Seat has a 500-pound weight capacity and lifts for standing use. Seat is securely fastened with Stay·Tite fastening system for increased security.Standard height plastic seat with residential-style cover
Commercial stay·tite installation system that installs in 1/3 less time and will never loosen with use
Self-sustaining hinges allow for easy cleaning, prevent slamming
Seat tested to 500 lbs. weight capacity
Support arms have a weight capacity of 250 lbs. on each side
Smooth plastic surface wipes clean easily
Fits round and elongated bowls, eliminating guesswork