Simple Stories Howdy! Photopolymer Clear Stamps - To top off this Howdy! Collection from Simple Stories, this 18 piece clear photopolymer stamp set contains a lot of the images used throughout the collection. These stamps adhere well to acrylic blocks (sold separately) and can be used with your favourite inks, markers, paints, coloured pencils, etc. (all sold separately). This set contains phrases such as "Hey There, Cowboy", "Reach for the Sky", "Happy Trails", and more. This stamp set is made in the USA. Largest: 2.13" x 0.75", Smallest: 0.38" x 0.38".