Hand Wash OnlyFastening: ZipperMaterial: This backpack purse is made of high-quality nylon fabric and pu leather, which is textured, wear-resistant, stain-resistant, waterproof, and very lightweight.Capacity: This waterproof backpack for women is a good size, it's big enough to hold your everyday belongings like phone, iPad, books, wallet, makeup, umbrella, water bottle, snacks and more.Design: The anti theft backpack has the main zipper on the back as an opening, which has a very good anti-theft function. 1 interior zip pocket, 2 exterior pockets. The handbag for women has detachable shoulder straps that can be adjusted in length and can be used as a casual backpack or as a stylish shoulder bag.Occasion: This satchel backpack is very suitable for daily travel, sports, dating, school, work, travel, shopping, etc. It is very practical to change styles at will.