features roll-top closure to keep your items dry. With 35L large capacity, it is a great choice formotorcycling, mountain biking, camping, kayaking, boating, and other outdoor activities. Features: 500D PVC material with sealed seams, waterproof and durable. Roll top closure keeps your belongings dry. Large opening for easy access to your items. Elastic bungee cord for fixing some waterproof accessories. Mesh side pocket with elastic cord for water bottle. Air valve helps exhaust excessive air from the bag. Padded back with air channels for good ventilation and heat dissipation. Adjustable padded shoulder straps for ultimate comfort. 35L large capacity, perfect for motorcycling, mountain biking, camping, kayaking, boating, and other outdoor activities.