It could be truly difficult to select the right pieces for your need. You will receive a random yet thematic lot of 5,10,20 or 30 animal postcards from over 50+ unique cards. As this is a lot-based listing, it will be difficult for us to select specific postcards. We are going to try our best to meet any specific requests made via messages. Each of these postcards is brand new, never used and can be used for mailing and cross-posting. The cardstock is of good quality and strength making these highly frameable. For story-telling, scrapbooking, and decorating - a lot of different purposes can be served with these cards. Size 5x7 Shipping guidance: Orders with 5 cards or fewer will be mailed without tracking to allow for low-price shipping. Orders with fewer than 5 cards can take up to 10-12 business days to reach. Orders with greater than 5 cards will be shipped usps first class with tracking. Should reach within 3-7 business days.