This pack includes 3 dry sacks of different size, which allow you to have the right size on hand to protect your gear, good choice for outdoor activities. Features: Pack of three dry sacks in different sizes, including 2L, 4L, 8L. Made from 190T polyester taffeta, lightweight, water-repellent and durable. Roll-top design with buckle closure keeps your valuables dry. (Not for full submersion.) Foldable and wearable on the wrist when not in use. Each bag with a D ring, easily attaches to any backpack. Good for outdoor activities such as kayaking, fishing, backpacking, traveling. Specifications: Material: 190T polyester taffeta 2L: 10.5 * 28.5cm / 4.1 * 11.2in (D *H) ; Weight: 26g / 0.9oz 4L: 14.5 * 33.5cm / 5.7 * 13.2in (D * H) ; Weight: 34g / 1.2oz 8L: 14.5 * 42.5cm / 5.7 * 16.7in (D * H) ; Weight: 36g / 1.3oz Package List: 3 * Dry Sack (2L, 4L, 8L)