Open the valve and the Wonder-Roll self inflates to various sizes
You no longer need a half roll, a D-roll and a full lumbar roll in inventory
By simply adjusting the valve you can create a quarter roll, up to a fully inflated lumbar roll
Lean into the pillow to produce the ideal contour of comfort and support
Roll it up, fold it, or flatten it to fit in a pocket, briefcase or purse
Invented by a physical therapist for his own personal comfort
Includes support strap for firm anchoring