The lumbar support would relax lumbar parts well and effectively alleviate back pain. Also, it is comfortable to recline on the lumbar support. You can put it on your office woking chair, dinning room chair, and road trip auto car. Filled with premium soft polystyrene cotton and sponge,The Chair Cushion And Lumbar Support is comfortable to sit and recline.It provides best supports to coccyx and lumbar. In Cold weather or air-condition room, keep your body warm.