Oh, you and your wife just had twins? Congratulations! But how to tell them apart, how to tell everybody that they are actually twins? With this Copy Paste T-shirt you can. These T-shirts can be also useful for non-twins. Does your son have a cousin that always does whatever the other does? These t-shirts are perfect for such occasions. You can get them with different designs and colors, for example pink if twins are girls, or one pink and one blue if you have a boy and girl.