Bariatric wheelchairs can be manual or electric. The weight capacity is 250 pounds up to 850 pounds. A larger wheelchair would need to be custom made. The seats come in different widths ranging from 20 inches to 34 inches with 20 inch being the standard size.
Bariatric wheelchair frames are made of stainless steel or carbon steel and usually are chrome plated. The cushion is stuffed with mesh, foam, or also special order materials if needed. They are covered in plastic, vinyl, nylon, or polypropylene. The fames weigh anywhere from 34 to 92 pounds.