Thin-Line Position Plus Wheelchair Cushion. For lateral & forward stability it has 4 low profile gel pods. Pressure relieving water base gel provides a cooling effect on the skin which helps prevent perspiration. Washable outer cover is low-shear which reduces skin damage caused by friction. Incontinence proof and can also be wiped clean. For added comfort andξstability, high density foam is used. Gel pad at the rear lowers coccyx pressure and anti-slip base provides added user safety.