- Extendable and Adjustable Design: This poster tube features an innovative extendable design that adjusts in length from 50 cm to 90 cm, offering versatile storage solutions for documents and blueprints of various sizes. - Waterproof and Lightproof Protection: Constructed from durable PE material, this tube safeguards your documents against water, dust, and light exposure. Keep your posters, drawings, and blueprints secure and pristine regardless of environmental conditions. - Lightweight and Portable: Weighing only 230 g, this robust document storage tube is easy to carry. Whether you're transporting architectural blueprints or artistic works, its lightweight design ensures hassle-free mobility. - Ideal for Professionals and Students: Perfect for anyone needing to transport or store important documents. This tube is designed to protect posters, blueprints, and artwork during transit, making it an essential tool for artists, architects, and students alike. - Practical Applications: Use this tube for delivering presentations, storing artwork for exhibits, or safeguarding important documents while traveling. Its adjustable length caters to different storage needs, ensuring your materials remain undamaged. - Quality Construction: The combination of lightweight design and sturdy materials ensures that this tube is both functional and reliable, making it a valuable addition to your toolkit for document management.