A set of 34 brown paper tubes of various diameters. - Quantity: 34 - Size: Various diameters - Material: Paper Outer diameter: Approximately 3cm Inner diameter: Approximately 2.5cm Height: Approximately 3.5cm - 24 pieces Outer diameter: Approximately 4.5cm Inner diameter: Approximately 4cm Height: Approximately 4.5cm - 10 pieces Thank you for viewing. These were used as cores for materials, so there may be some scratches and peeling. (See photos) How about using them for crafts, science projects, or school festivals? They are very durable. Other sizes are also available.