A medical seat cushion made of high-quality American foam material, equipped with a luxurious plush outer cover, machine washable for easy cleaning --* Usage :--* The cushion has a circular shape, which makes your sitting comfortable, the medical cushion balances the pelvis and relieves pressure on the back bone And the buttocks and spine, the pillow works to prevent hemorrhoid pain, coccyx and fistula resulting from sitting for long periods of time, whether while driving a car or sitting in an office chair -- Warning: Before purchasing the product, please check the name of the seller first, which is (HT Medical) if it is not Also, do not purchase the product, if you purchase we are not responsible for the quality of the product you received, please note