Thin and lightweight: These custom magnets are thin and lightweight, with a thickness of just 0.03" (0.8mm), making them easy to place and move around. You can create an entire magnet collage on your refrigerator or move them around as needed in your office. Three sizes to choose from: With three sizes to choose from, you can create custom magnets that are just the right size for your needs. Whether you want a small magnet for a subtle message or a large magnet for a bold statement, you can find the perfect size. Indoor use: These custom magnets are designed for indoor use and are perfect for adding a decorative touch to your refrigerator, filing cabinet, or any other metallic surface in your home or office. Versatile message spreading: Custom magnets are a versatile way to spread your message. Use them to promote your business or organization, share your favorite quotes, slogans, or sayings, or simply add a personal touch to your space. Black backing for professional finish: The black backing of these custom magnets provides a professional finish to your design, making your message stand out even more. Plus, it adds an extra layer of durability and protection to your magnet design.