Simple and stylish multifunctional backpack. The bag measures 44*29*13CM. It can be carried by hand, on one shoulder or on both shoulders. With large-capacity scientific storage, it can hold mobile phones, magazines, books, umbrellas, keys, 14-inch laptops, iPads, etc. The convenient USB interface provides battery life for your mobile phone. It is made of high-density waterproof fabric that is waterproof, wear-resistant and scratch-resistant. The honeycomb-thickened shoulder strap won't strain your shoulders even after long-term use. The shoulder strap is adjustable. There is a fixed strap for luggage on the bag, making it more convenient for traveling. There are three color options and it can also be customized according to your requirements.