Birthday Bakery retired hostess set from the 2010-2011 Idea Book & Catalog. Approximate stamp measurements are as follows: "if you are what you eat, eat something cute" = 5/8" x 2 3/8" "this is no day for "just a sliver?"" = 5/8" x 1 3/4" "your birthday's in the bag!" = 1 1/2" x 1 3/4" "for you" = 1 3/8" x 1 1/2" cake images = 1" x 3 1/2"