The pillow is made from a soft, durable, off-white polyester fabric and is stuffed with poly-fill and zippered or sewn shut. This design is dyed directly into the fabric, so it will not peel or crack. Lumbar pillow measures approximately 10"x17". Pillows are machine washable (Cold water, Delicate Cycle- Fluff, and Air Dry Flat). Unless specified, zip code letters will be the 5 colors shown in random patterns.