SilverCrate™ Ergonomic Kneeling ChairINTRODUCING The SilverCrate Ergonomic Kneeling Chair Reduce Pain: The SilverCrate Ergonomic Kneeling Chair positions you with an open hip angle that encourages an upright posture. This will align your back, shoulders and neck and supports your lumbar spine. Durable Design: The thick cushions allow you to sit comfortably at a desk without sinking through to the core of the chair. All of our cushions are made from 100 percent recycled foam. The 4 inch