Flexzion Poster, Art, Document Tube with Strap, Expandable Waterproof Plastic Container, Telescoping Cylindrical Storage Case, Portable Paper Holder for Draft Sketch Blueprint, Black, youth large / 11 | Blueprint and Document Storage Case with Water-Resistant Plastic Shell, 10 Locking Positions and Adjustable Shoulder Strap

The top spiral head prevents inside stuff from falling out and ensure them securely sealed inside. Ideal for architecture students, architects, engineers, home builders, art school students, artists, travelers, and anyone that transports their work. Easy to Storage: The long narrow tubes can be stored at compact space, fitting in your locker, car, and any small place. With waterproof & light-resistant function for better protecting your contents from moisture or fading. Easy to Carry: The reusable tube has rigid construction which protecting contents from bending and creasing during storage and transit such as fishing rods or poles. The outside attached with handle and shoulder strap. For people who are always on the go, they can either hand carry this travel tube or put it on their backs for easy transport. Extendable (30" min -54" top) Length: The adjustable 3.5 Inch inside diameter poster tube including 10 locking positions provides large internal storage space and high flexibility for users. Great for storing drawings, maps, blueprints, engineering supplies, surveying equipments & more!. Versatile Storage Tube: This cylindrical plastic container is designed to accommodate designed artwork, advertising art prints, mail posters, telescoping documents of varying lengths, and even multi-types of measuring equipment.