Best For Gifting As Souveniers Or Your Own Personal Memoriesthis Magnet Is Made Of Industrial Grade Medium-Density Fibreboard (Wood)Perfect Gift Choice: Multipurpose Magnets, Decor For Home & Kitchen, Beautiful Artwork And High-Quality Prints. Fridge Magnets Featuring Beautiful Prints Of Meals And Memories. Ideal For Home And Kitchen Decoration.Size Of Each Magnet Design : 3 Inch - 4 Inch | Wood Size : 3Mm Thicknessthe Magnets Are Complete Scratchproof And Water Resistant But Not Waterproof.