This is the riginal McKenzie® D-Section™ Lumbar Roll now features a new, non-wrinkle, 100% polyester fabric for an updated look and feel! The mock mesh fabric construction is moisture wicking, very durable, and closely conforms to the contours of a lumbar roll while it is compressed. With a "D" shaped profile, this roll rests flat against chair backs while offering the same support as the original roll. Approximately 11" long x 4.25" diameter Features a built-in adjustable strap. Contains latex.