Munchkin Cat Merry Christmas Greeting Cards and Envelopes Pack of 8. Greeting Cards and Envelopes Pack of 8 featuring breed specific Munchkin artwork. Celebrate Christmas with this Christmas . Caroline's Treasures Printed Greeting card Pack. This is a pack of eight folded 5x7 cards and eight matching white envelopes. These cards are blank inside for you to add your special note or special holiday greeting. The full color artwork cards are printed in our facility in full color on our 80 lb cover stock or 216 GSM. The super smooth finish of the white cards really enhance the artwork on the card. Each card comes with a matching white envelope. The artwork on the card was created by one of our in house creative artist or one of our licensed artists. This is from Caroline's Treasures Cats category of products.