If you need help getting up from low or too-soft chairs or would like more comfort and support in your wheelchair, this cushion can help. This DMI Deluxe Cushion is constructed of 4-inch foam that provides advanced comfort while a hardboard insert provides quality support. The added support is what separates this cushion from the competition. It will not 'hammock' like lower quality wheelchair sling seats. Perfect for use in wheelchairs, conventional chairs or anywhere additional lift is needed.