Our Dry Bag Rucksack is crafted with premium lightweight water-resistant fabric that boasts waterproof heat-sealed seams, a convenient roll-top opening, and adjustable padded straps. Its impeccable design guarantees the safety of your belongings from water, sand, and dirt, making it an essential companion for hikes and camping trips. IThe padding and evenly distributed weight of the backpack make for a comfortable and effortless carry. Perfect for cyclists.