Our Massachusetts Map Magnet measures approximately 2.5 square inches (roughly 1.5" x 1.75" - varies by shape) and has a thickness of 0.1". This Classic Massachusetts Map Magnet is perfect for any refrigerator or metal surface and makes a great gift or souvenir! Like all of our refrigerator magnets, this Massachusetts Map Magnet is made of flexible molded rubber and is extremely durable. Plus, all of our magnets are 100% made in the USA.