Description: - Telescoping storage tube could extend from 20.5 inches to 35.4 inches in length, and the diameter is 2.8 inches, almost handle various poster dimensions. - High quality plastic material, water resistant and durable, protects art from turnning rugged, bending or creasing. - The adjustable shoulder strap makes it easy for anyone to carry. - The tube could be adjusted to different lengths, easily and firmly screwed to keep your favorite poster in the tube safely. - Great for artists, illustrators, drafters, architects, etc. Perfect for storing paper, tracing paper, maps, canvas and posters. Specification: - Material: Plastic - Size: 52x7cm/20.47x2.76inch - Maximum telescopic length: 90cm/35.43inch Package Includes: 1 Piece Plastic Drawing Storage Tube Note: Size for manual measurement, there may be a 0 to 1 cm error, belongs to the normal phenomenon. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!