Each vintage state information magnet is molded in durable .100"-thick flexible rubber Set includes 51 Classic Magnets (all 50 states plus Washington, D.C.) Made in the U.S.A. by Ideaman, Inc., the manufacturers of the Original Classic souvenir magnets! Each magnet measures 8 square inches (roughly 3" x 3.25" - varies by shape) Durable .100" Thick Flexible Molded Rubber Construction Classic Magnets Complete State Information Magnet Collection featuring all 50 U.S. States and Washington D.C. Each magnet measure approximately .100 inch thick and is made of durable and flexible molded rubber. Each magnet measures 3.25" tall.