Create your very own greetings cards with these square card blanks from Papermania! Add your own special memory or photo to your cards with the tri fold window, ideal for adding a sentimental touch. From birthdays, weddings, invitations, seasonal events and more; our pre-creased cards are an ideal starting point for creating your own designs for those very special dates. Add a finishing touch with a wide range of materials, such as; embellishments, stickers, markers, glitter and much more! Measuring 13.5 x 13.5cm, the 300gsm cards are acid & lignin free.