100% Brand new & High quality. Durable stainless steel material, silver tone color, round shape, mesh holes design. Can make the wind easily flow into the spaces where you are staying. Used to install in such places as offices, conference rooms, auditoriums, concert halls, etc. Size: Bottom diameter: 19mm, 25mm, 29mm, 35mm, 53mm. Type: Flat surface, Convex surface. How long can be the item delivered? Item arrived damaged or Faulty item? If your item arrived damaged/faulity, please send us a message with an image of the damaged/faulity item. And we will resolve this for you asap. How long will the orders can be hanlded? & National holiday excluded. The tracking information will be delayed to update when the item is on the way to the destination countries, if you can find the logitic acceptance date of the package, it means the item is being handled regularly, please wait for the arrival. When I need to pay for an aution? This will help us to know that item has arrived safely in your hands. We are 100% sure that we will be able to resolve it according to concern.