Here’s a brand new, rare and a hard to find collector’s item: Chicago Illinois Skyline Dual Layer MDF Fridge Magnet 2.25″ x 3.5″. These magnets are made of industrial strength Medium-density fibreboard (wood) and are neither flexible nor bendable. They are also water resistant but not waterproof and it’s not advisable to keep them in water for prolonged periods of time. These magnets dual-layer. Please note : these magnets MAY NOT stick to stainless steel appliances. So please check in advance whether or not the surface you are planning to use is “magnet friendly”. These are all extremely rare and would make a wonderful addition to anyone’s collection or make a great gift! Items will be shipped by USPS in bubble envelopes and will be packed securely.