Ergonomic Design: This elevated toilet seat features an ergonomic design with a contoured inner ring for stable and comfortable sitting. The wraparound base fits securely onto your toilet, minimizing movement and wobbling for a more comfortable experience Spacious Armrests: With a 19.1-21.1 in (485-535 mm) width, the toilet riser provides ample space for comfortable sitting and standing. Users can adjust positions without being cramped, reducing the risk of restricted movement or accidental bumps Sturdy & Secure: Our handicap toilet seat supports up to 350 lbs (159 kg) with a corrosion-resistant aluminum frame. It features two front adjustable legs to avoid tipping, padded armrests for a comfortable grip, and non-slip feet for added security Locking Installation: This toilet seat riser installs over the toilet without drilling or tools. Simply turn the knobs on both sides to lock it in place within seconds. It fits with most standard round and elongated toilets for a confident purchase Raises Toilet Seat 5 in: Our raised toilet seat increases toilet height by 5 in (127 mm) for improved comfort. It is ideal for pregnant women, seniors, patients, and the disabled, reducing pressure on hips, knees, legs, and Achilles tendons