Made from high-quality, 210D waterproof polyester material, these drawstring gym bags are lightweight and water-resistant, making them ideal for outdoor activities. These drawstring bags have a generous size of W13in x H15in, providing ample space for carrying a variety of items, such as towels, water bottles, umbrellas, wallets, mobile phones, keys, and daily necessities. These string drawing back packs are perfect for hiking, camping, or any other activity where you need to keep your items safe and dry. They are extremely lightweight weighing only 33g/0.073 lbs, perfect for travel and will not take up much space in your luggage. These gym backpacks for men and women are suitable for many occasions, such as camping, picnics, parties, swimming, climbing, dancing, shopping, and more.