Mimosa Sister-In-Law Birthday Card This is a simple and elegant greeting card with the words: Fabulous Sister-in-law They are embossed in blue script on a textured surface, decorated with multiple golden stars. The inside of the card reads Happy Birthday. The card measures 13.5cm x 16cm and comes with a brown paper envelope.   Paperlink Paperlink is one of the greeting cards industry market leaders, specializing in contemporary and humorous cards. Founded in 1985, the Paperlink collection encompasses all occasions and the designs include beautiful imagery, funny cartoons and witty typography - a card for everyone!