• Separate wet-dry transport bag: Includes a high-density waterproof nasal pocket in the main compartment to separate dry and wet items such as towels, swimsuits, and dirty socks. • Wide application: Large capacity and multi-pocket design to meet all travel needs. Ideal for gym, sports, travel, weekends, shopping, beach, hiking, and camping. Suitable for women, men, teenagers, and older children. • Two capacities in one bag: Hidden expansion function at the bottom of the zipper. Capacity of 25 L (40 x 22 x 29 cm) and capacity of 36 L (42 x 22 x 40 cm). Adjustable according to your needs. • Airplane friendly: Fixed belt design on the back to place it on a lightweight suitcase. Ideal for short trips, with capacity for 3-5 days of clothing. • Durability: Made of lightweight, waterproof, and tear-resistant Oxford fabric. Solid straps that support more than 40 pounds and smooth metal zippers. • Portable and practical: Foldable and large capacity, it can be carried by hand, on the shoulder, or placed in the suitcase. Folded size: 28 x 18 x 4 cm, unfolded: 42 x 28 x 22 cm.