Sit comfortably without pain - If your back feels stiff and painful after sitting for a while, if you have back pain or tailbone pain, or if you suffer from sciatica, you'll love this seat cushion comfortable, it can help support you and is good for you It helps relieve most sitting pains caused by sciatica, herniated discs, coccyx injuries, back pain during pregnancy, hemorrhoids and other joint problems. spine. ENHANCE YOUR POSTER - The butterfly cut provides support and comfort. This pillow maximizes the natural arch of your lower back to help you straighten and correct your posture. It protects you from bad sitting postures. Seat for any discomfort, office, car... - Easily take this portable seat wherever you go - Put it on your office chair, wheelchair, car before watching TV or turning on your computer and then you can sit anywhere without pain. memory foam cushion - The velor cover with zipper is machine washable. machine and easy to clean. The seat cushion is premium quality memory foam. The hardness of all memory foam products varies with temperature. Your cushion will be softer when warm and firmer when cold. Room temperature is ideal for optimal performance Inner core: memory foam; exterior: crystal velvet. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.