Where Quality Meets Savings! at crafdirect.com, and get Black- Square Cards 5 1/4" x 5 1/4" .The base of the 6 cards is 5 1/4″ x 5 1/4″ and it measures 5.25″ x 10.5″. You can create your score lines in different styles of cards, such as a gatefold card, and you can do whatever you desire with them. These thick, sturdy envelopes and cards are plain on both inside and outside. With the Staples Embellishments Collection from Graphic 45, you can enjoy the finest things in life together with your cherished ones. The elegant color will make you feel wonderful.