[Seat Cushion for Tailbone Pain Relief]-Made of pure memory foam with no additives. If you suffer tailbone, coccyx or back pain after sitting, try to relieve the pain by using this supportive seat cushion. It can be used to improve bad posture and provide superior support by hugging your figure while driving or sitting for long time. [ U-shape & Concave Design]-This seat cushion is designed ergonomically in U-shape. It perfectly fits the shape of hips to make you still feel comfortable after sedentariness. It comes with a removable and breathable black mesh cover, that provides great air circulation and allows you to sit without feeling hot or sweaty. [Non Skid Bottom & Anti Slip Strap]-The strap and non-slip rubber bottom can securely keeps it in place. Proper lumbar spine alignment, reduced back pain, increased blood flow to the legs & superior comfort. Measuring 18x15x3 inches and weighing only 1.4 pound, this seat pillow can be carried everywhere you need support. [Fits for A