One compact device adds 4" to toilet seat height and includes push handles to aid lowering to and rising from the seat! Designed to fit standard toilet seats. Width between arms is 20-1/4". Lateral gripping slots aid those with postural insecurity. Arms 3-1/2"H. Hole 8"W x 10"D. 24-3/16"W x 15-1/2"D. Hardware kit included. Sturdy molded design has 400-lb. weight capacity. Latex free.