Product Features - Our round floor magnets have strong anti-demagnetization, anti-corrosion and anti-oxidation properties, which can perfectly meet your needs Magnetic Material - Your safety is our top priority. Broken magnetic fragments are very dangerous. We use thicker, industrial-grade and durable N45 grade neodymium instead of the extremely brittle N52 used by our competitors Surface Coating - You will like a smooth and shiny surface. Our magnets are protected by a corrosion-resistant Ni-Cu-Ni (nickel-copper-nickel) coating to create a high-quality silver appearance that does not rust or get scratched Unlimited Uses - No matter what your application is, our powerful magnets can handle all the work. These thin CDS can serve as powerful refrigerator magnets, handicrafts, DIY projects, spice jars, pictures, whiteboards, garage tools or science classrooms in schools Refund Guarantee - If you are not satisfied with the magnet, please contact us immediately and we will give you a satisfactory response within 24 hours. We believe in our magnets and are confident that you will fall in love with your magnet set