Paper rolls are cylindrical or tubular forms of paper that come in various widths, lengths, and thicknesses. They are commonly used in industries such as printing, packaging, labeling, and retail. Paper rolls typically have a cylindrical core in the center to support the roll and facilitate easy dispensing. The core size can vary, with common sizes being 1 inch (25.4 mm) and 3 inches (76.2 mm). The core size affects the compatibility with different types of printers, labelers, or machines that use paper rolls.