Nothing expresses gratitude like people in animal masks! This set of six 5" x 7" (12.7 cm x 17.8 cm) cards is the perfect way to say thanks in an odd and memorable way. In fact, you’ll probably get a thank you card thanking you for sending one of these thank you cards. Blank inside. 110 lb. cardstock. Includes envelopes. Illustrated box with acetate lid.