Product DescriptionColor: Blue, Black, WhitePackage: Four WheelsSize: 52*32mmMaterial: PU leatherHardness: 95APackage: 4 setsShipping Details:We will ship it via China Post Standard Shipping. It takes 25 days to 40 days to ship ur place.If u wanna receive the item much faster, u can choose Express, such as UPS,DHL,FedEx, etc.Feedback:1. We take care of each customer's feedback. If you received product and like it, kindly leave positive feedback with full stars for us. We will be appreciate that and offer better service in the further.2. Any disatisfied with item, kindly contact with us, we will offer our best service for you.3. We believe all the question can be solved through friendly communication.