A lumbar support pillow is a small pillow that fits behind and around the waist of a person whose spine is not aligned. It can be used from offices and cars. There are many different types of lumbar pillows on the market today. Just because a pillow is called an lumbar support pillow, that doesn't mean you shouldn't look elsewhere. Find the right style and size of lumbar pillow for your needs. Lumbar pillows are made with a variety of materials. There are many types of lumbar pillows, and it is important to determine which product suits you best. You have many different options with lumbar pillows, from memory foam to gel.