High-quality materials: Made of high-quality nylon material, this drawstring bag is durable and can withstand daily wear and tear. Waterproof, abrasion-resistant, and durable, it can be used as an everyday bag anytime, anywhere. It features a soft yet sturdy adjustable drawstring for easy carrying and is more robust than most other swim trunk bags. Extra-large capacity: The drawstring bag measures 47 x 34 cm (18.5 inches x 13.3 inches). It folds easily and can be placed anywhere without adding weight. Our drawstring bag has a main compartment with an internal security pocket and front and back zipper pockets. The main compartment can hold books, clothes, or other items. Adjustable shoulder straps: The drawstring bag's straps are easily adjustable, so you don't have to worry about your back being too low or too high. The thick rope protects your shoulders and helps relieve shoulder pressure. Our shoulder straps are easy to adjust, allowing you to easily adjust the strap length to fit your height. Versatility: Our drawstring bag is very lightweight and easy to carry, suitable for a variety of activities: fitness, swimming, walking, camping, hiking, running, shopping, and is perfect for school, camping, and university. You can also decorate it as a beautiful gift for family and friends for birthdays and holidays.