Material: This backpack wallet is made of high-quality nylon fabric and PU leather, which is textured, wear-resistant, stain-proof, waterproof, and very lightweight. Anti-theft design: The back of the anti-theft backpack has a main zipper as an opening, which has a very good anti-theft function. 1 interior zip pocket, 2 exterior pockets. This women's handbag features a detachable shoulder strap with adjustable length that can be used as a casual backpack or a stylish shoulder bag. VERSATILE STYLE: Our backpack wallets are not only functional, they're stylish too! Featuring a removable and adjustable shoulder strap, it's easy to switch between a chic shoulder bag and a comfortable backpack to suit any occasion. Plenty of Storage: Stay organized with the perfect balance of size and capacity. This waterproof backpack is spacious enough to hold your daily essentials such as cell phone, wallet, cosmetics, books, umbrella, water bottle, snacks and more. MULTI-FUNCTIONAL USE: Whether you're going to school, work, sporting events, casual outings or shopping sprees, our satchel backpack is your ideal companion. Easily switch styles to meet your changing needs and preferences.