This is a set of three dry bags. Sizes: 10L (blue), 15L (yellow), and 20L (black). Used only once, and overall in good condition. The yellow bag has noticeable stains (see photo 4). Highly waterproof, and useful for a wide range of activities such as camping, kayaking, SUP, and fishing. Lightweight and easy to carry, convenient for waterproofing and protecting your belongings from dirt. Notes: Please purchase only if you understand that this is a used item. Will be shipped in simple packaging.