This model is divided into two sizes: 18 inches, 20 inches, 6 colors: yellow, silver, gold, rose gold, rose red and orange. It can be used for low configuration and high configuration. Low configuration adopts cheap pull rod, wheel, lining, leather strap, pull head automobiles curtain and other accessories, which cannot reach the environmental protection level. High-end accessories can be made of environmentally friendly fabrics. The main difference lies in pull rod, wheel, handle, leather strap, interior decoration. The following figure shows it. Contact customer service for details!!