SIISLL refrigerator magnets are made of neodymium material, ensuring their durability and strength. With their ideal and handy size, they are easy to use and remove from any metallic surface. Unlike other magnets, these magnetic push pins will not leave any dirt on your refrigerator. These magnets are not only suitable for home use, but also for office, school, and hospital use. They can be easily fixed on whiteboards, fridges, bulletin boards, magnetic maps, calendars, lockers, file cabinets, and other magnetic surfaces. However, please note that they are not suitable for glass magnetic boards. In addition to their functionality, our 12PCS multi-use home and office black magnets also have a stylish design. They are perfect for jewelry hangers, hardware or garage tools hangers, key holders, or kitchen utensils organizers. With their strong magnetic force, they are able to hold at least 20pcs sticky notes, ensuring that your important messages and reminders stay in place. Whether you need to hold printer paper, photos, posters, or cards, our magnets are the perfect solution. They provide a wide range of use, making them versatile and practical for various applications. Say goodbye to messy bulletin boards and disorganized files – our magnets will help you keep everything in order. Invest in our high-quality refrigerator magnets and experience the convenience and efficiency they bring to your daily life. 【Amazing Magnetism】Maximum 25 lbs in direct pull power, amazing powerful and sturdy. Can easily hold up to 40 sheets of A4 paper at one time with just one magnet. 【Biger Size】Updated size based on customer feedback, easier to handle and pull out. The size of each magnet is Base diameter 0.87''(22mm) x Height 0.87''(22mm). 【Heavy Duty】Made of durability carbon steel housing and have a powerful magnet core (diameter: 20mm, height: 4mm), the whole surface is nickel-plated to prevent the fridge from being scratched. 【Unlimited Applications】These magnets are an essential partner for any fridge, whiteboard and filing cabinet, providing the most powerful hold for your documents, calendar or photos. The surprising magnetism can even be used to hold kitchen tools. 【What You Get】12pcs magnetic push pins,worry-free 3-month warranty.