【Ergonomic Streamlined Design Back Pillow】Based on research on human sitting posture, back pillow adopts ergonomic streamlined design, to fit the body curve perfectly, fills the gap between the waist and seat, distributes the pressures evenly, reduces the burden on the waist, supports lower back gently to relax your lower back and muscles. | 【Multi-scenario Usage Lumbar Support Pillow】Back support pillow can be used in multiple scenarios, whether as lumbar support in the car seat or as back support for office chair, or as lumbar support for sleeping, it provides comfortable support at all times. | 【Premium Memory Foam Core】Lumbar support pillow is made of high-density memory foam for hours of long-lasting comfort, efficient rebound, does not flatten over time, provides optimal support and spinal alignment always. | 【Removable, Breathable Pillowcase】Back pillow with 4D mesh zipper pillowcase, comfort and breathability, machine washable and easy to clean. The breathable, skin-friendly polyester cover allows airflow through the pad, keeping your back cool, dry and comfortable. | 【With Portable Storage Bag】Memory foam lumbar pillow with a drawstring storage bag, the storage size is about 8.5*5.6 inch, so that you can carry the lumbar pillow in a portable way, whether you are playing outdoor, traveling or on a business trip, enjoy comfortable rest and sleep anytime. | 【Orthopedic Doctor Recommended】High density memory foam lumbar pillow, ergonomically streamlined, orthopedic doctor recommended for relief of low back pain and hip pain, and it with suitable thickness to make you sit more comfortable.