This Lumbar pillow cover is 16 x 26”. It is made with a high quality Mudcloth that is woven on a wide loom and dyed with traditional fermented mud dyes. The back is prewashed black cotton and it has an invisible zipper closure. This is a great size for using a standard bed pillow as a fill, makes t much easier and convenient to fill. A down or down alternative makes a beautiful pillow.