Item number: F1 Mixed batch, one pair can also be ordered Strength, adequacy, our company, quality assurance Recruiting strong online stores, offline merchants, anchors, and traffic volume Material package acquisition method: QQ group: 19588875 (Theft of images will be investigated, peers should respect themselves) Default Yunda, please contact customer service for other bulk orders. Delivery time: Before 4pm on the same day, basically shipped on the same day. And check the shipment. For those that are available for purchase, please contact customer service for confirmation if there are specific requirements for quantity and delivery time