Thank you very much for viewing our products. This is a set of 7 small cardboard tubes from plastic wrap rolls. How about using them for summer vacation crafts or DIY projects? Size: Diameter: Approximately 2.7 cm Length: Approximately 23.4 cm Other sizes are also available. If you would like to combine shipping, please contact us in the comments section. We plan to ship via Nekopos within 24 hours of purchase. Returns are not accepted, so please check the product images before purchasing.