ADDITIONAL BACK PILLOW FOR OPTIMAL BACK SUPPORT: The extra small pillow on the back serves as a reliable backrest, filling the gap of the U-shape. The cross-shaped back of the small pillow allows it to be used horizontally or vertically for back support, or lumbar support. Meanwhile, this small back pillow can be removed and used alone as a bed pillow. You can remove or add the fillings to adjust the softness of the gaming pillow for lap according to your needs, ensuring you maintain a comfortable posture and helps reduce tension in your back and shoulders.