Made of 100% Premium Memory Foam, which makes our lumbar support pillow correct your back in a proper posture. [Note]: The lumbar support pillow compressed in the package and will bounce back slower as the cold weather. Whether you are pregnant women, office worker, students or driver, gugusure Lumbar Support Pillow is the perfect one specially designed for you. Our ergonomic design pillow can be placed on regular chairs, office chairs, wheelchairs, airplane/ train/ car/ bus chairs. This inner cover is made from imported raw materials, breathable, washable and feels very comfortable to touch. It is friendly to the skin and the air layers do not crease, non sensitive, non pilling, no chemical smell, easy to clean and quick-dry.