Rubbers, commonly known as erasers, are tools used to remove pencil marks from paper. They are typically made from materials like rubber, vinyl, or thermoplastic. Rubbers come in various shapes and sizes, including rectangular blocks and pencil-top versions, making them convenient for different writing tasks. In addition to their primary function, rubbers can also be used in art and design. Artists often use them to create highlights or texture in their work. Some specialized rubbers, like kneaded erasers, can be shaped and molded for precise erasing, making them popular among students and professionals alike.