Binder clips are small, metal or plastic devices used to hold sheets of paper together. They consist of a triangular metal frame and two metal arms that can be squeezed to open the clip. When released, the arms press against the paper, securely holding it in place. Binder clips come in various sizes, making them suitable for different amounts of paper. These clips are often preferred over traditional paper clips because they can hold thicker stacks of paper without slipping. They are commonly used in offices, schools, and homes for organizing documents, notes, and other paperwork. Paper clips and office supplies are related items often found alongside binder clips.