The Dasan Rubber Magnet Tape is a roll-type magnetic product measuring 20mm in width and 5m in length. One side is adhesive, allowing you to cut it to your desired length and attach it to the back of various items to add magnetic functionality. It is ideal for securing memos or notices to metal boards in offices, schools, and homes. As a reliable domestic product, it allows for efficient space organization by letting you cut exactly what you need.