The bristles are made of boar hair mixed with synthetic fibres. They are soft, gentle and do not contain metal parts with strength and flexibility that will not scratch or damage your leather seat cover. You will receive 1 set of cleaning brushes. We offer 5 different cleaning brush sizes, these brushes in different sizes will meet all your needs. Size: 23.5 cm, 23 cm, 22.5 cm, 22 cm, 20.5 cm. With the round shape and smooth surface, you can use it easily. Keep your brushes handy and accessible with the hanging holes on the handle. Can be used for wet or dry use. Useful for removing dust or dirt or removing crumbs from your seat, especially in tight spaces. Make your beautiful car cleaner and tidy. The car care brush is suitable for cleaning the interior, exterior, wheels, dashboard, seat spacing, spokes, air vents, rims, etc. Also works well with the furniture, keyboard and speaker surface..Items from Sheng Xinshun's shop