Paper tube is a cylindrical structure made of paper or cardboard that is typically used as a container or a core for winding materials such as fabric, tape, or other products. Paper tubes come in a variety of sizes, thicknesses, and materials, and are commonly used in a wide range of industries, including textiles, packaging, construction, and crafts. They can be customized with various coatings, colors, and prints, and are often lightweight, durable, and recyclable. Paper tubes are commonly used to store or transport delicate items such as artwork, posters, and blueprints, or to package products such as cosmetics, candles, and food items. They can also be used in industrial applications as cores for winding materials such as paper, plastic films, and foils.