Small but Strong HIGH QUALITY & DURABLE DESIGN Useful Design - Push Pin shape design for easy hold, each magnet is perfectly finished in brushed nickel to avoid harming surfaces. Durable Material - Rare earth metal neodymium magnets. The strong metal fridge magnet is 0.47x0.63 inches. It's small but it's very attractive, and it won't block anything you want to show, very convenient to use anywhere. Three Layers Coated - Nickel-Copper-Nickel. A shiny surface and corrosion prevention, increase the longevity of the refrigerator magnets. The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. Widely Used High Quality Previous page Next page 1 Mini Bar Magnets 2 Round Magnets with Hole 3 Strong Magnetic Clips 4 Neodymium Disc Magnets 5 Strong Magnetic Hooks Are these push pin magnets strong enough to hold A4 paper? Of course. Our strong fridge push pin magnets can hold up to 30 pcs of sticky note or 17 pcs of A4 paper with just one small push pin magnet at one time. How big are they? Like are they as round as a quarter? They are 0.63 inches in height and 0.47 inches in diameter. Its small size will not cover any information you want to display What's the material? MIKEDE refrigerator magnets are made of high quality stainless steel metal construction and nickel-plated polished surface, rust resistance and corrosion-resistant