Lumbar Roll – Blue (84/3051) Air filled (just a puff or two), fits any chair, while providing support were needed most! Counteracts poor posture and helps maintain lordotic curve while seated! Removable elastic strap is adjustable! Ideal for use as part of a treatment regimen! Patent #D-349,962 Color: Royal Blue Dimensions: 20″ x 8″ Style: Air-filled – fully adjustable & portable!