Poster tube measures, 17.7inch in length, 2.75inch in width, can expand in length from 17.5 inch to 28.75 inch ,Packsge include: 3 Pieces.Expandable Art Tube,Is made of PE plastic to protect contents from bending or creasing in transit.Keeps from folding and creasing!Telescopic drawing storage tube,can be water-proof, not easy to fade, resistant to impacts, damage or breaks,Tf storing documents long-term, never worry about fading.Poster carrying case, Waterproof and Fade Resistant,Protect documents from rain and sun! If you're traveling for a business trip, keep your records dry. And, if storing documents long-term, never worry about fading.Storage tube has unlimited uses, such as storage for: posters, blue prints, maps, documents, large photo prints, drawings, artwork, arrows, fishing rods, drum sticks, or whatever else you can imagineColour:BlackMaterial:PE PlasticSize:About 45cm long, stretchable about 70cm longPackage Contents:3 * Extendable Poster TubesOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.