Lumbar Roll This is a lower back and neck support for therapeutic use, rehabilitation exercises, and workouts. It is used on office chairs, car seats, and in the home on sofas and chairs for lower back and neck support. It is most commonly used as a support in workouts to aid in the recovery of neck and back injuries. It also makes a great travel pillow for cars and planes etc.. The elastic straps are available with a Velcro fastening, or an ABS plastic Side Release Buckle. The Lumbar Roll is available in all our in stock fabrics. The foam is an Ultracell Polyurethane foam, with a density and resiliency to provide proper strength and compression for many years of comfort and use. Dimensions of the Lumbar Roll are: 28.5 cm. long X 13-cm. diameter round.