Here are some stickers that are a great way to express your appreciation to USPS mail carriers/workers - whether you’re a small business owner or just want to show your appreciation for your mail carrier, this sticker is the perfect little reminder of just how much you appreciate them! - Sizes are roughly: 4"*3" - This sticker is perfect to put in your mailbox, waterproof and easy to peel off - Stickers are printed on high-quality printable vinyl papers and laminated to have a waterproof glossy finish. **Please note - All orders will be shipped out with first class envelope. It will take around 7-10 days to arrive at your home. So, please note that we do not have a tracking number. If you have any questions, please let me know!