Advantus - Memory Foam Massage Lumbar Cushion, 12-3/4w x 3-1/2d x 12-1/2h, Black
Soft memory foam cradles the back in comfort. Invigorating massage motor for the lumbar and other back areas. Breathable mesh fabric. Use at home, office, or in automobiles. Requires 4 AA batteries (not included). Back Support Type: Chair; Material(s): Memory Foam; Width: 12 3/4"; Depth: 3 1/2".