DURABLE MATERIAL - Our strong magnets are made of great quality neodymium metal, resistant to rust and oxidation. The surface is coated epoxy to ensure the design stays clear and sharp even after long use. ATTRACTIVE DESIGN - With the perfect size of these magnet (Diameter: 30 mm, thickness: 0.8 mm), you don't have to worry it's not able to fixate the paper. Each of it comes with a special design to be a great addition as your kitchen decor. EASY TO REMOVE - Our round magnets will leave no marks or stains after being removed. The design layer is made slightly bigger than the magnet based to ease your removing process, thus, avoiding nails from scratching the surface of your fridge compare to the flat disc magnet. MULTIPURPOSE - JJ PRIME's button magnets are super useful! They can be used as white board magnets, billboard magnets. magnets for crafts, magnets for notice board, magnets for fridge and apply to anything else magnetic. SATISFACTION GUARANTEED - Based on the confidence in the quality, our strong fridge magnets are protected by worry-free support. Customer satisfaction is our top priority.