Round Cervical Pillow is ergonomically designed to provide a therapeutic sleep posture to reduce head, shoulder, neck and back discomfort and promote ideal spinal alignment.It can also be used for lumbar support in most chairs, providing long-lasting support.Use it behind or on the side of your neck as needed for cervical support when sleeping, driving or sitting for long periods of time. Use it under your knees or under your arms. It will always be soft, comfortable and supportive. Loved by yoga enthusiasts! Usages: This long bolster pillow is suitable for sleeping, bed, couch, office chair, car, driving, lower back pain, airplane travel, plane, recliner and so on, providing long-lasting support.