Large capacity waterproof dry bag backpack - Waterproof material and durability: Made from lightweight PVC material that is wear resistant and waterproof, designed for frequent use near water and in harsh environments. - Roll top closure for complete protection: The roll top seal keeps water, dust and sand out, ensuring your items stay dry and clean in all settings. - Generous capacity and clear sizing: Flat size 33 cm x 77 cm (12.99 in x 30.31 in). Backpack status size 33 cm x 58 cm (12.99 in x 22.83 in). Approximate capacity of 55 liters for ample gear storage. - Ergonomic and comfortable design: Thickly padded back panel on the upper and lower back areas for comfort and breathability. Adjustable shoulder straps help reduce shoulder pressure and back strain during transport. - Practical use scenarios: - Beach trips and water activities: carry towels, clothes, sunscreen, and gear while keeping them dry. - Camping and outdoor trips: store clothing, cookware, and essentials in a single dry bag that stays dry in rain or splashes. - Travel and day trips: flexible, large capacity for clothing, gear, and personal items; easy to pack and carry over long periods. - Key benefits at a glance: water protection, dust and sand resistance, large capacity, modular storage with roll top simplicity, and an ergonomic design that enhances comfort during extended wear.