Stretch Art Tube: Use this black storage tube to transport your valuable artwork and documents; Waterproof Case: The durable holder is waterproof to ensure the contents stay dry. The Perfect Size: The poster tube extends from 25.59 inches to 43.31inches in length, and the diameter is 3.15 inches. Adjustable Strap: storage tube has an adjustable shoulder strap that is comfortable for use; ideal for students, architects, artists. Great to storage posters, blue prints, maps, documents, large photo prints, drawings, artwork, fishing rods, drum sticks and more. Specification: Material: PE Plastic Package Includes: 1 Piece Drawing Storage Tube : 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping! Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.