Fits Most Seats: Lumbar support cushion designed for prolonged sitting, ideal for drivers, office workers, pregnant women, seniors. Fits office chairs, car seats, sofas. Size: 46 x 45 x 14 cmWhy Choose LP Butterfly: Featuring a "thick bottom, thin top" structure, more ergonomic. Memory foam infused with charcoal for better breathability. Double adjustable shoulder straps for more stabilityErgonomic Butterfly Design for Optimal Support: Curved design conforms to the natural contour of lower back. Provides optimal comfort for long sitting while working or driving55D Breathable Memory Foam: Never flattens out, charcoal infused for enhanced air circulation, suitable for all seasons. Outer mesh cover detachable for easy cleaningDouble Adjustable Straps: Wider anti slip buckles with anti slip particles on the back for stability. Adjustable to fit different body types and seats for office and car use