Back Wedge Cushion for Support, Stress Relief, and Posture When Sitting in Chair Or Car (Large Size 15”)Brand: Custom Cushion Company Color: Charcoal Features: Use our ergonomic solid firm foam wedges to get lumbar support when sitting anywhere: in a chair, in your car, at the office, on the bus, or in a rocket ship! This product is generally used for a wedge behind your back while sitting and not to sit on. Helps reduce back pain while seated by keeping your body in the correct ergonomic position. The foam back wedge comes without a cover. If a cover