- Round Antishock Design: Engineered to provide superior protection for your drawing paper, ensuring it remains secure and intact when stored or transported. - Waterproof and Moistureproof: Constructed from environmentally friendly materials, this storage tube is made of durable yet flexible plastic. It offers excellent resistance against water and moisture, safeguarding your artworks, documents, blueprints, and plans from potential damage. - Expandable and User-Friendly: Designed for convenience, this tube easily opens and closes. Its expandable feature accommodates various sizes of works, making it perfect for artists, architects, and students alike. - Innovative Rotating Cover: The waterproof rotating cover minimizes air exposure, protecting your drawings from moisture and oxidation. Simply rotate the tube to adjust the length and lock it in place for secure storage. Use Cases: 1. Ideal for artists needing to transport sketches or paintings safely to exhibitions or galleries. 2. Perfect for architects storing essential blueprints and plans, ensuring they remain pristine. 3. Excellent for students who want to keep their projects and assignments safe from environmental damage. This storage tube combines functionality, protection, and ease of use, making it an essential item for anyone looking to preserve their important works.