A pneumatic cushion is also known as an air cushion, air pad, or inflatable cushion. It is a soft and inflatable cushion that is often used for various applications, including medical purposes, transportation, and seating. The cushion is commonly filled with air or gas to provide comfort and support. Other similar phrases include an air-filled cushion, blow-up cushion, and an air bag cushion. Additionally, it could be referred to as a support cushion, comfort cushion, or therapeutic cushion depending on its intended use. Regardless of the term used, these cushions are excellent solutions for reducing discomfort and providing relief for those who may be immobile or need additional support.