INCH EMPIRE Lumbar Support Wood Beads Massage Pillow Cushion with Strap - Summer Cool Winter Warm Back Pillow for Car Seat,Office and Home Chair Widely used on car seat, office chair, home chair,high quality Wenge Wood Beads Massage Your Lumbar Massage your back while driving, sitting long time in front of the computer Eliminate lumbar discomfort and back pain.Perfectly fits the physiological curvature of the lumbar The curve angle can be adjusted to fit perfectly to your lumbar,then help correct your spinal column in good shape Comfortable,especially cool for summer time,protect your back