Large Poster Tube - Telescoping Adjustable 30-1/4" to 47-3/4" - Durable 4-7/8" Diameter Storage Tube - Art Poster Carrier Holder & Blueprint Storage Drafting Tube Travel & ProtectionVersatile and Expandable: This large telescoping drafting poster tube expands from 30 1 4" to 47 3 4", with a 4 7 8" Outside & 4 1 2" inside diameter, making it ideal for storing and transporting posters, blueprints, maps, and more. It's perfect for artists, architects, and collectors needing flexible storage solutions. Rugged and Protective Design: Made from durable, rigid plastic, this tube ensures your contents remain safe from bending or creasing