Features: Large capacity backpack, suitable for both daily life and outdoor scenario Ultra-lightweight and compact, easy to fold and carry Water splashing prevention, dirty-free and easy to clean Specifications: Material: nylon Color: black Weight: 120g size: 22 cm x 20 cm x 1.0 cm Just fold the backpack into its own zip front pocket (only 5 steps) for easy compact storage, this will become a very small size, and unfold from pocket to backpack within just 10 seconds.Roomy Capacity： Keep things organized.The water-resistant fabric used makes this backpack very light, strong, durable, and breathable at the same time.The reflective strips on the backpack make it an excellent companion for outdoor adventures day and night.Multipurpose, suitable for a variety of scenes and crowds.