Premium Memory Foam and Sturdy Supportive: Ergonomic streamline shapes with high quality memory foam, slow rebound, enough softness but supportive back cushion and never goes flat, a lumbar pillow with proper firmness hugs your waist and supports your back with comfortable experience and relief without numbness. Relieves back fatigue: Ergonomic curve design provides lumbar support for office chair, which is beneficial to relieve upper, middle and lower back pain and tension from sitting or driving for a long time; It keeps you in a healthy posture. Adjustable Straps and Support: Two adjustable straps with flexible buckles prevent the lumbar pillow from sliding down in different ways. Unlike other lumbar support pillows with only one or no strap, you can always adjust to your most comfortable height. The maximum circumference of the included strap can be up to 145cm, making this backrest universal for most chairs such as car seat, office chair, computer chair, armchair, sofas and lounger etc. Exceptional wrinkle-free cover & Perfect Gifts: The exceptional skin-friendly cover is definitely smooth and wrinkle-free cover, which is also breathable, machine washable and anti-static that won't sweat and keep you comfortable all day long. Our lumbar support pillow is universally suitable for most customers, such as drivers, businessmen, during pregnancy, elderly, etc. It is an ideal gift for your friends or family. Universal fit: The lumbar pillow is 43x40x11 cm large. Our lumbar support is ideal for most standard chairs. However, it may not be suitable for some smaller car seats. Please check the dimensions before purchasing to ensure it meets your needs. * If you use the lumbar cushion in a vehicle with a side airbag (SAB), please do not fasten the straps to allow the airbag to deploy normally.