The Big John Standard Heavy Duty Toilet Seat , is a 19 inch wide, 800 pound capacity ergonomic toilet seat that raises the height by 1-1/2 inches. This large toilet seat is more comfortable for people with bad knees, back or hips due to arthritis, or anyone who needs increased stability for toilet transfers. The Big John Standard Heavy Duty Toilet Seat fits on any standard toilet, round or elongated. Two large bumpers provide an anti-slip grip to prevent the seat from shifting on the porcelain. People with arthritis who need more stability for toilet transfers will find the Big John Standard Toilet Seat helpful. The ergonomic design has a contoured sitting surface and larger opening that is more comfortable. Engineered tough for long-lasting durability, the Big John Standard Toilet Seat is made of the highest grade plastic that is both stain and chemical resistant. Non-returnable hygiene item. Big John Standard Heavy Duty Toilet Seat Specifications: Measures: 19 inches wide from side to side. Opening measures 11-1/2 inches from front to back and 8-3/4 inches side to side. Fits: Round and Elongated toilets. Weight capacity: 800 lbs. Includes: Big John Standard Toilet Seat with high impact ABS hinges. Color: White. Model: 6W. Made in: USA.