The Vevor raised toilet seat riser is designed to make sitting and standing easier for seniors, patients, pregnant women, and individuals with limited mobility. It adds 3.5" of height to improve comfort while reducing strain on hips, knees, legs, and Achilles tendons. Built with a durable HDPE seat and corrosion-resistant frame, it supports up to 300 lbs for stable daily use. The enlarged opening and smooth rounded edges help provide a cleaner, more comfortable experience. Its waterproof surface is easy to wipe clean and the twist-lock installation requires no drilling or modifications.