U.S. Art Supply Large Poster Tube Telescoping Adjustable 31 5/8" to 53 3/4" Durable 5 1/2" Diameter Storage Tube Art Poster Carrier Holder Blueprint Storage Drafting Tube Travel Protection U.S. Art Supply is an industry leader in Art Supplies, so you can purchase our products with confidence. Versatile and Expandable Art Tubes: This large telescoping poster tube, blue print tube, art tube expands from 31-5/8" to 53-3/4", with a 5-1/2" Outside 5" inside diameter, making it ideal for storing and transporting posters, blueprints and more. Rugged and Protective Design: Made from durable, rigid plastic this blueprint tube is designed to safely store and protect posters, blueprints, documents, and artwork during travel or storage. Multi-Purpose Poster Storage: Ideal as an art tube, document tube, or poster holder tube, this container keeps your materials safe from creases, tears, and water damage, making it perfect for professionals and students alike. Portable and Convenient: Designed for on-the-go use, this poster case is lightweight, durable, and easy to carrygreat for presentations, school projects, or as art poster transport tubes for traveling artists. Secure and Professional: Protect your important materials with this sturdy poster tube, featuring a secure locking cap to prevent spills and a sleek design suitable for storing poster tubes of various sizes.