DESIGN: The bottom of the beverage rack reduces noise and prevents the beverage container from slipping. Sleek appearance suits today's modern vessels. STAINLESS STEEL: This brand new cup holder with drain is made from stainless steel that provides supreme rust resistance USE: It installs easily almost anywhere, such as on a table, counter, dashboard, etc., it can be placed on your boat or RV to hold bottles and cups of appropriate sizes and to drain excess liquid from the cup. DROP-IN CUP: Last but not least, it is a great product that can easily replace plastic cup holders. SIZE: Large diameter: 10.5cm/4.1", small diameter: 9.5cm/3.7" Note: The data is all measured manually, please allow 1-3cm error due to differences in light and display, there may be some deviations. color differences, please refer to the actual item received.