Main Material: Made of high-density anti-tear polyester fabric with high abrasion resistance and durability, suitable for outdoor sports. Large Capacity: Features one main compartment, front pockets, and external pockets for storing a water bottle or umbrella. Keeps wallet, phone, keys, hat, sunglasses, and other accessories organized. Compact Size: Backpack dimensions approximately 24x15x38cm (9.45x5.91x14.96 inches). Lightweight with ample storage space, ideal for everyday organization. Adjustable Strap: Equipped with an adjustable, foam-padded strap for comfort. Lightweight design suitable for travel and sports activities. Wide Application: Ideal for mountain climbing, hiking, camping, rock climbing, skiing, and cross-country running. Type: Outdoor Backpack Material: Polyester Color: Black, Blue Size (L*W*H): Approximately 42x33x21cm (16.54x12.99x8.27 inches) Capacity: Approximately 25 liters Package Included: 1 x Outdoor Backpack Note: - Due to lighting and screen differences, the actual color may vary slightly from images. - Allow 0.5–2 cm variation due to manual measurement.