product information:Product name: Shoulder bagMaterial: PUFunction: waterproof, breathable, lighteningLining Material: PolyesterSize: 25cm in length and 13cm in width and 25cm in heightShoulder strap: adjustablePractical size and internal storage space-High capacityReasonably separate layout-Selected high-density nylon fabricIt has the characteristics of wear-resistant, scratch-resistant, water-repellent, and dirt-resistant