These are the perfect sized envelopes for gift cards, wedding placeholders, name cards, gift cards, thank you notes, gift tags and more! They are perfect for holidays, weddings, baby showers, birthdays and banquets. Make sure to always have some mini envelopes on hand when you need them! Each mini envelope measures 4 x 2.7 inches. NOTE: These envelopes can NOT be mailed via the United States Postal Service (USPS).