Size: 14  X 13  X 4  * Color: Black * High Quality Memory Foam  Contoured For Maximum Comfort And Support * Features A Hypoallergenic  Breathable Mesh Fabric Cover That Helps To Prevent Heat And Moisture Build-up * Can Be Placed Anywhere Along The Back Of A Chair For Neck  Upper  Middle  Thoracic Or Lower Back And Spine Pain Relief * Ergonomic Design Helps To Relieve And Alleviate Both Acute And Chronic Pain From: Back Aches  Muscle Aches  Arthritis  Stenosis Herniated Disks And General Sore Backs * Can Be Used In The Home  Office  Car  Airplane  Wheelchair  Recliner Or Anywhere Extra Lumbar Comfort And Support Is Needed * Position The Backrest Into Desired Position And Prevent Slippage Using The Dual Adjustable Straps * Cover Is Removable