Enhance Stability & Security: The raised toilet seats for seniors employs a dual-locking mechanism with screws and locking column to securely fasten the toilet riser to the toilet. The aluminum handrails and HDPE seat board are sturdy, supporting up to 300 lbs 2 Adjustable Width & Height: The toilet riser with handles now features versatile armrests with height (11.5 – 12.Suit for Most Toilets: 17.6" (front-to-back) × 15" (width). The elevated toilet seat is designed to fit most round and elongated toilet shapes. The toilet risers for seniors boasts a waterproof HDPE seat board for simple cleaning with warm water Durable & Safety: This handicap toilet seat features a sturdy seat, non-slip handrails, and thickened tube, reliable support for individuals in post-operative recovery, those with knee pain, seniors, and people with limited mobility