Creative Cards Cards are 80lb. 5″ x 6.875″ in size. 100 cards per pack. The greeting cards you create yourself! This multi-media card is ideal for designs created with colored pencils, pens, charcoal, rubber stamping, collages and more. This larger size cards can be used to design a greeting for any occasion from birthdays, holidays and invitations to general correspondence. Matching envelopes are 5.25″ x 7.25″.