These 5 pillows are special than how they look. They are 5 pillows designed by physical therapist. Unlike any other fiber-filled pillow, body scale carefully weigh out the firmness of each pillow to fit sleeper body. We make them in to 5 different sizes so that pillow can support people with different body weight, height and sleep posture. It is not just softness and firmness that determine best pillow. Best pillow is the one that fits you best.