The polar pals are back in our Polar Peek-A-Boo Pals stamp set! Stamp the animals and their paws to create the look of them "peeking" out from a holiday card/invitation. 27 total stamps. Reindeer stamp measures: 1 1/16" x 1 11/16"; penguin stamp measures: 1" x 1 3/8"; "Happy Holidays" sentiment measures: 2 3/8" x 5/16".