Poster Case, Drawing Case, Adjustable Case, Playmat Case, Tube, Rubber Playmat Storage, Dustproof, Rainproof, Drafting Tube, Square Tube, Drawings, Handheld, Portable, Extendable This poster case is convenient for storing drawings, including large posters such as A1 and B2 sizes, as well as drafts, children's drawings, graduation certificates, and commendation certificates. 3. The length can be adjusted in 3 stages to suit the purpose of use. 4. Made of water-repellent plastic, it is protective, dustproof, and rainproof, so you can rest assured even on rainy days. It is resistant to water and dirt and protects the contents! (Please note that there is a gap when extending, and it is not waterproof) 5. 【Lightweight & Compact】Outer diameter: approx. 9.5cm, Total length: approx. 60-95cm. Lightweight and suitable for moving and carrying. Posters, Poster Cases, Storage, Drawing Cases, Charts, Maps, Artwork Storage Cases, Storage Cases Please understand that the belt hardware for carrying may be rusty before purchasing.