"Package: 1 *Lumbar Support Pillow 2* Car hook Why you need a lumbar support pillow? Most chairs aren’t designed to adapt to the natural curve and shape of your spine, lacking the support your body needs. This leads to you sitting hunched over, causing pressure and pain in your neck, shoulders, back, and hips. Adding a lumbar cushion to your chair is an easy, affordable way to upgrade your uncomfortable seating. What's the benefits of a back cushion? Back support pillows help bridge the gap between the comfort and support your current chair lacks. Our ergonomically designed chair back cushion contours around the natural curve of your spine to lessen pain and discomfort, improve your sitting posture, and reduce fatigue associated with extended periods of sitting. How to clean a back cushion? We strive to make your daily life easier. That’s why our back support for office chairs features a removable cover that’s easy to clean and keep fresh. Simply unzip the cover from the memory foam, and toss cover into the wash on the gentle cycle. The Memory Foam core you could place in a ventilated and dry place."