Sisters don’t have to be fun to be around, but it’s great when they are. And yours definitely is! Your sister was always the one that could turn tears into laughter, so don’t hesitate and thank her on her birthday. Sending a personalised greeting card to your sister might be a perfect way to tell her that she was always your greatest inspiration and best friend. For that purpose SpaceHippo allows you to easily upload a photo and type in a message to create your own greeting card design. A sister is a forever friend, so remember to cherish her.