- Expandable design: This poster tube extends from 56.4 cm (22.2 inches) to 87.5 cm (34.4 inches) with an inner diameter of 8.8 cm (3.5 inches). Easily adjust the length by twisting and lock it back in place, accommodating oversized cards and posters without hassle. - Versatile use: Protect your valuable items with this plastic storage tube for drawings. It is ideal for storing and transporting posters, blueprints, maps, documents, large photos, artwork, fishing rods, and more. Whether for storage or travel, this poster tube is the optimal solution. - Convenient portability: The document tube comes with an adjustable shoulder strap for easy carrying. Featuring a top-opening lid, it allows for quick access without twisting. Simply roll your documents, insert them, and screw the lid tightly to prevent folding or wrinkling. - Durable construction: Crafted from resilient, neutral plastic, this poster storage tube is both sturdy and water-resistant. Its matte textured surface adds an elegant touch while ensuring long-lasting performance. The tube is built to withstand regular use without compromising quality. Use scenarios: 1. Safeguard your artwork while traveling to exhibitions or conventions. 2. Store important blueprints safely during construction projects or home renovations. 3. Keep fishing rods organized and protected during transit to your favorite fishing spot.