Grin And Ferret greeting cards. This set includes: 12 New Grin and Ferret Greeting cards. The inside is blank for you to fill up with what you want to say. Perfect for any occasion. 13 new envelopes so you can make one mistake. The cards Have the same picture that is on the front of the box. They come in a Grin and Ferret box with velcro lid for easy storage and protection. These Cards Measure 5 1/2 inches tall x 4 1/2 inches wide.