ArtSkills paper poster letters are perfect for creating posters and signs. Easily position and reposition your letters to find the best layout before gluing down permanently. Each letter and number has a sticky strip at the top for you to place them on your poster and adjust the spacing without them sliding around. No more bubble letters squished at the end of your poster! Details: Colors and contents may vary Sizes range from 2.5" to 4" 160 assorted pieces Repositional adhesive tack Full adhesive Non-stick edge Conforms to ASTM D-4236 Designed and developed in the U.S.Suitable for ages 5 and up Contents: 2 of each letter A-Z (4") 3 of each letter A-Z and numbers 0-9 (2.5")