Some features of our St. Patrick's Day Postcards: ~ 4 fun and colorful designs so there is something for everyone ~ Professionally printed on 80# cardstock so they are sturdy ~ Makes it easy to send out a small note to let loved ones know you are thinking of them ~ Easy to use because all you have to do is write a short note, address it then mail ~ 20 postcards included, 5 each of 4 designs ~ 4" X 6" so they can be mailed as is without an envelope using a discounted .34 postcard stamp. ~ 100% Manufactured in the USA, we use local professional print shops and hand package our postcards. ~ Fun St. Patrick's Day mail! You are going to love how quick and simple it is to let your loved ones know they are in your thoughts. The blank space on the back make these cards a breeze to fill out - simply write a short note, address and mail. Save time because these postcards are printed and shipped straight to you. There's no need to download and print and cut yourself. Our Fun St. Patrick's Day Postcards will arrive in your mail box ready for you to fill out and send, keep on hand so you are never stuck without one! We make it easy to stay in touch with your friends & family. Your purchase is backed with a 100% money back guarantee, so if you don't love them simply return them for a 100% refund.