Special Feature Portable, Removable Cover Color Mesh Black Size 1 Piece (Pack of 1) Memory Foam Filling Material p>< p>About This Item NOTE: This pillow is supportive and FIRM, NOT SOFT Best seat cushion - If you spend +8 hours a day in a sitting position, this comfortable cushion is just for you. It provides the extra support you need to maintain good posture and the natural curve of the spine. By evenly distributing the weight of the body, it relieves pressure on the vertebral discs. Ergonomic design helps increase blood flow, prevent lower back pain, help with muscle fatigue, leg tightness, hamstrings. It allows you to sit naturally without pain High Quality Chair Cushion - Measuring 17.7'' x 13.8" x 2.8', the buttock support pillow comes with a removable and breathable black mesh cover, which provides excellent air circulation and allows you to sit up without feeling hot or sweaty. The cushion's non-slip rubber base keeps it securely in place. The cushion insert is made from slow-rebound memory foam that conforms to your individual shape and helps to avoid pressure.The handle is attached to the side of the pillow, making it easy to carry Works with any chair - This ergonomic seat cushion fits ;Fits perfectly with most office chairs. The U-shaped contoured design rests your tailbone, preventing compression. This pillow is also a good option to consider if you move around a lot. Take it in your car, plane or train. Ideal for office use, frequent travelers, sporting events and pregnancy. This pillow will help reduce neck, shoulder and lower back pain. Perfect alternative to donut and hemorrhoid pillows. Ideal for adults 150-220 lbs Recommended by an orthopedic doctor - This thick cushion repeats the anatomical contours of your body, supports your lumbar region and reduces pressure on your back. It prevents the onset and progression of spinal problems and ensures health. Plus, it can be used to raise the height of any seat. This therapeutic lifting cushion provides extra comfort when driving long distances (truckers, drivers) and resting if sitting in slow traffic. Note: The pillow is firm and firm, not soft Firm & Support: The orthopedic seat cushion should be firm enough. Our office chair cushion is a perfect blend of firmness and comfort. However, please allow 1-3 weeks to adjust to a new feeling while sitting. Stay healthy with sciatic pillow for sitting