25L Waterproof Dry Bag Swimming Backpack Rucksack Pack Water Floating Sack Sport Canoe Kayaking Rafting Boating River Trekking Roll top closure and sealed seam construction, protects contents from dust, sand, dirt and water With quick release buckle fastening. The bag is equipped with magic sticker, which is convenient for the mouth and fits. Sponge straps are breathable, not sultry, long-term use without stress, easy to carry . Adjustable padded and breathable shoulder straps High quality zipper design with electroplating hardware for durability .Zipper pocket for small accessories PVC mesh fabric, thick texture, good abrasion resistance, water repellent High-quality fasteners, high-strength and wear-resistant, durable Great for swimming, snorkeling, diving, kayaking, boating, canoeing, surfing, fishing, camping, hiking, climbing, cycling or other outdoor sports activities