brand new and high qualityIdeal assistant for bicycle training .Make your sports life more free and comfortable.Material:Magnet, Plastic, MetalSize:16mm x 12mm(approx)Color:Black+SilverQuantity: 1 pcNote: No retail package. Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect  the actual color of the item. Thank you!