- Telescopic Design: Our Extendable Poster Tubes adjust effortlessly from 19.69 inches to 35.43 inches, making them ideal for various poster sizes. This adaptability ensures you have a reliable storage solution that grows with your needs. - Waterproof and Light-proof: Protect your valuable posters with our durable design. The waterproof feature safeguards against damage during transport, while the light-proof construction prevents fading caused by sunlight, ensuring your posters remain vibrant. - Comfortable Carrying: The adjustable shoulder strap provides a convenient and comfortable way to transport your posters. This feature is perfect for artists, architects, and designers who need to carry their work easily. - Versatile Applications: Whether you need to store or transport posters, blueprints, maps, canvases, or important documents, our extendable tube is the perfect solution. Experience seamless organization and protection for all your creative materials.