Item Type: Poster Tube Material: Plastic Poster Tube Size: Unexpanded Size: Approx. 62.5 x 8.5cm / 24.6 x 3.3in Size After Stretching: Approx. 102 x 8.5cm / 40.2 x 3.3in 1[Expandable and Convenient] Convenient to use, easy to open and close, can be stretched directly, suitable for collecting works of different sizes. 2[Waterproof and Moistureproof] Environmental protection material, made of moderate plastic, waterproof, moistureproof, it will not be too hard to produce uncomfortable feeling, and it is not easy to break. 3[Round Antishock] Round and antishock, useing engineering principles to greatly protect the drawing paper and make it more secure when placed. 4[Applicability] The plastic tube can be used to store and travel posters, blue prints, maps, documents, large photo prints, drawings, artworks, arrows, fishing rods or other items you can imagine. 5[Rotating Cover Design] Waterproof rotating cover design reduces air contact and protects drawings from moisture and oxidation.1 x Poster TubeManual measurement, there is a small error.