Designed for those who have difficulty sitting down or standing up from the toilet. Adds 4" to toilet seat height, reducing bending effort. Front clamping mechanism locks securely to the toilet and prevents shifting of the seat. Wide, contoured seating surface is comfortable. White, heavy duty plastic construction is strong and durable. Push buttons allow for easy removal of armrests. 300 lb maximum weight capacity. Designed to meet the requirements of HCPCS code: E0244. Lifetime limited warranty.