Description This ergonomic back support device features a high quality memory foam contoured for maximum comfort and support. It is made of a hypoallergenic breathable mesh fabric cover that helps to prevent heat and moisture build-up. Features Size: 14 x 13 x 4 Color: black 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 Specifications Brand Blue Jay Manufacturer Part # BJ105110 Dimensions 14 x 13 x 4