When you place this DMI wheelchair seat cushion on your favorite chair or wheelchair, you will quickly experience great comfort and support for those extended sitting periods. This foam cushion, molds to your body, while the padding helps to prevent pressure sores and ulcers. This foam is of such high quality that it will last for years without losing its support. The design of this seat cushion for chairs reduces heat retention and promotes better air circulation. Rehab patients will experience maximum comfort.