This set of six birthday cards is just the thing to distract friends and family from their advancing age! While these are a little weird, so are your friends and family so it all works out. Each 5″ x 7″ (12.7 cm x 17.8 cm) card is illustrated with a person in an animal mask mutedly celebrating. Blank inside. 110 lb. cardstock. Includes envelopes. Illustrated box with acetate lid.