Transon 2 Pack Poster Storage Tube Extendable for Blueprints, Artwork, Maps, Scrolls

Adjustable sizes from 24inch to 40inch (extendable) Storage tube - The poster tubes are suitable for posters, paper rolls, scrolls, artworks, blueprints, maps, documents, sketching papers, large pictures, and more. Simply rotate the tube to adjust the length and rotate back to lock. Waterproof and protective - this storage tube protects your stuff from water with effective sealing (keeping out moisture, dust, light, and pests with tight-fitting end caps and moisture-resistant materials. The storage tubes are lightweight and with straps to carry. Easy-to-remove caps with clear labeling area for easy access. Made from sturdy, impact-resistant plastics. These poster tubes are great for storage and transport, they are suitable for students, architects, designers, artists and more. Storage length from 24”to 40”(approximately). Outer diameter: 3.4"(approximately), Inner diameter: 3.1"(approximately).