Features: Highly water resistant: With a durable buckle to help fix firmly. It keeps your items from dust, water, snow, rain, etc. Multi-use: Can be used as hand-carry or backpack. Portable and practical: When not used, it can be rolled or folded, saving space and portable. A good product for your outdoor sports: River rafting, boating, sailing, and fishing, hiking, cycling, etc. Notes: Highly water resistant but not guaranteed to be 100% waterproof. It should not be fully submerged. Dry Bag ONLY, other items displayed in pictures are for illustration purpose ONLY, they are NOT included in the listing! 2L: Tile size: 18*28cm, roll folding (use) size: 11.5*15cm 5L: Tile size: 29.5*40cm, roll folding (used) size: 19*25cm 10L: Tile size: 29.5*55cm, roll folding (used) size: 19*40cm