- RETRACTABLE DESIGN: Our extendable poster tubes offer a dependable and adaptable storage solution for posters of all sizes. Easily extendable from 19.69 inches to 35.43 inches, these tubes ensure your posters are securely stored and transported. - WATERPROOF PROTECTION: Keep your posters in perfect condition during transit. The waterproof design safeguards against bending, while the light-proof feature prevents fading from sunlight exposure. - EASY TO CARRY: Designed with an adjustable shoulder strap, our extendable poster tube enhances comfort and convenience, making it simple to carry wherever you go. - MULTI-PURPOSE USE: Safeguard essential documents, plans, posters, maps, and canvases in our robust extendable poster tube. Effortlessly store and transport your valuable items with confidence. Use Scenarios: 1. Ideal for artists transporting their artwork to galleries or exhibitions, ensuring pieces arrive without damage. 2. Perfect for students carrying posters and presentations to school or university, providing reliable protection during commutes. 3. Great for professionals needing to transport important documents or maps to meetings, ensuring they stay flat and undamaged. With a focus on function and practicality, our extendable poster tube is the ultimate solution for anyone needing secure storage and transport for their valuable items.