Diamond Etched Products uses only the highest quality aluminum for our plates. They are weatherproof, rust proof and made from aluminum. Fits any standard size 7x4 inch mount with four slots as pictured. Plates are made to order and ship within 1 business day. Made in the USA. Any design or wording can be added at no additional charge. We use a different engraving process (Diamond Etching) for personalization so that the design is visible and stands out against the US flag background (please see photo with added engraving if you?re interested in personalization). We take pride in our work and aim to provide a quality product at a great price. If for any reason you are not completely satisfied, please let us know and we will be happy to work with you. Need evidence? Just look at our feedback! Please check out our other listings for more styles or contact us for any custom ideas you may have. If you would like to add a name or customization, just add a message when purchasing.We love helping our customers design the perfect tag to personalize their vehicle! Feel free to call or text Mike at 8648098575