Material: Memory Foam + Mesh Product Size: 34*32*12cm/13.4"*12.6"*4.7" Filling: Memory Foam Product Category: Lumbar Support Color: Black Weight: About 0.5kg Style: Modern and Simple Ergonomic Lower Back Support Ergonomic streamlined design, using high-quality memory foam, provides the best lumbar support cushion, never flat, the appropriate hardness memory foam can be compressed to form the shape of the back curve, providing comfort and relieving back numbness. Wide Application Applicable to most office chairs, computer chairs, gaming chairs, executive chairs, sofas, couches, car seats, SUV seats, truck seats, wheelchairs and recliners, etc. ​​ The size is convenient to carry and can be taken with you to anywhere you want to go. Best Gift Suitable for use as office gifts, business gifts, back surgery recovery gifts, etc. It is very suitable for people who sit for a long time, such as office staff, truck/taxi drivers, gamers, etc. Relieves Lower Back Pain Relieves pain and tightness in the lower and mid-back caused by prolonged sitting; supports the natural curve of the lower back for perfect spinal alignment and promotes a healthy, energized posture. Chiropractors recommend back supports or lumbar pillows for those recovering from surgery and those suffering from lower back pain, piriformis, lumbosacral spondylosis, fibromyalgia, and more. Breathable Material The 3D mesh ventilated cover keeps air flowing so sweat and moisture don't fill up and pull up, keeping you cool and comfortable all day. Memory Foam Adjustable Straps Secures the back support cushion in place and prevents the chair back cushion from sliding off, and the extension strap allows the lumbar pillow to fit perfectly on any chair